procps/top/top.1

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.ig
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. manual page for NEW and IMPROVED linux top
.
. Copyright (c) 2002-2011, by: James C. Warner
. All rights reserved. 8921 Hilloway Road
. Eden Prairie, Minnesota 55347 USA
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.
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. Permission is granted to copy, distribute and/or modify this document
. under the terms of the GNU Free Documentation License, Version 1.1 or
. any later version published by the Free Software Foundation;
. with no Front-Cover Texts, no Back-Cover Texts, and with the following
. Invariant Sections (and any sub-sections therein):
. all .ig sections, including this one
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. STUPID TRICKS Sampler
. AUTHOR
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.
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. A copy of the Free Documentation License is included in the section
. entitled "GNU Free Documentation License".
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.
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. [ that section is found near the end of this document & ]
. [ can be made printable by disabling the .ig directive! ]
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.
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..
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\# Setup ////////////////////////////////////////////////////////////////
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\# ** Comment out '.nr' or set to 0 to eliminate WIDTH fiddlin' !
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.nr half_xtra 4
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.
.ll +(\n[half_xtra] + \n[half_xtra])
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.
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\# ** we use single quote char (') alot, so change the no-break ctrl char
.c2 `
.
\# Our own Bullet style(s) --------------------------
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.de jBu
.IP "o" 3
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..
.
\# Commonly used strings (for consistency) ----------
\# - our em-dashes
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.ds Em \fR\ \--\ \fR
.ds EM \fB\ \--\ \fR
\# - our program name (makes great grammer)
.ds We top
.ds WE \fBtop\fR
\# - other misc strs for consistent usage
.ds F \fIOff\fR
.ds O \fIOn\fR
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.
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.ds AK asterisk (\'*\')
.ds AM alternate\-display mode
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.ds AS auxiliary storage
.ds CF configuration file
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.ds CG \'current\' window/field group
.ds CI interactive command
.ds CO command\-line option
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.ds CT command toggle
.ds CW \'current\' window
.ds FG field group
.ds FM full\-screen mode
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.ds KA arrow key
.ds KS scrolling key
.ds MP physical memory
.ds MS shared memory
.ds MV virtual memory
.ds NT \fBNote\fR:
.ds PU CPU
.ds Pu cpu
.ds SA summary area
.ds TA task area
.ds TD task display
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.ds TT \fBprocesses\fR or \fBthreads\fR
.ds TW task window
\# Reference to the various widths/sizes ------------
\# - the max screen width limit
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.ds WX 512
\# - the header width w/ all fields
.ds WF approximately 250
\# - pid monitoring limit
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.ds WP 20
\# Xref's that depend on/mention other stuff --------
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.ds Xa see
.ds XC See the
.ds Xc see the
.ds XT See topic
.ds Xt see topic
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.
.\" Document /////////////////////////////////////////////////////////////
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.\" ----------------------------------------------------------------------
.TH TOP 1 "April 2011" "Linux" "Linux User's Manual"
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.\" ----------------------------------------------------------------------
.\" ----------------------------------------------------------------------
.SH NAME
.\" ----------------------------------------------------------------------
top \- display Linux processes
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.\" ----------------------------------------------------------------------
.SH SYNOPSIS
.\" ----------------------------------------------------------------------
\*(WE \-\fBhv\fR|\-\fBbcHisS\fR \-\fBd\fI delay\fR \-\fBn\fI limit\fR
\-\fBu\fR|\fBU\fI user\fR \-\fBp\fI pid\fR \-\fBw\fR [\fIcols\fR] \fR
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The traditional switches '-' and whitespace are optional.
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.\" ----------------------------------------------------------------------
.SH DESCRIPTION
.\" ----------------------------------------------------------------------
The \*(WE program provides a dynamic real-time view of a running system.
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It can display\fB system\fR summary information as well as a list of
\*(TT currently being managed by the Linux kernel.
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The types of system summary information shown and the types, order and
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size of information displayed for processes are all user configurable
and that configuration can be made persistent across restarts.
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The program provides a limited interactive interface for process
manipulation as well as a much more extensive interface for personal
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configuration \*(Em encompassing every aspect of its operation.
And while \*(WE is referred to throughout this document, you are free
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to name the program anything you wish.
That new name, possibly an alias, will then be reflected on \*(We's
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display and used when reading and writing a \*(CF.
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.\" ----------------------------------------------------------------------
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.SH OVERVIEW
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.\" ----------------------------------------------------------------------
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.\" ......................................................................
.SS Documentation
.\" ----------------------------------------------------------------------
The remaining Table of Contents
.Bd -literal
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1. COMMAND\-LINE Options
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2. SUMMARY Display
a. UPTIME and LOAD Averages
b. TASK and CPU States
c. MEMORY Usage
3. FIELDS / Columns Display
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a. DESCRIPTIONS of Fields
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b. MANAGING Fields
4. INTERACTIVE Commands
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a. GLOBAL Commands
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b. SUMMARY AREA Commands
c. TASK AREA Commands
1. Appearance
2. Content
3. Size
4. Sorting
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d. COLOR Mapping
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5. ALTERNATE\-DISPLAY Provisions
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a. WINDOWS Overview
b. COMMANDS for Windows
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c. SCROLLING a Window
d. SEARCHING in a Window
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6. FILES
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a. SYSTEM Configuration File
b. PERSONAL Configuration File
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7. STUPID TRICKS Sampler
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a. Kernel Magic
b. Bouncing Windows
c. The Big Bird Window
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8. BUGS, 9. HISTORY Former top, 10. AUTHOR, 11. SEE Also
.Ed
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.\" ......................................................................
.SS Operation
.\" ----------------------------------------------------------------------
When operating \*(We, the two most important keys are the help ('h' or '?')
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key and quit ('q') key.
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Alternatively, you could simply use the traditional interrupt key ('^C')
when you're done.
Some of \*(We's screens or functions require the use of cursor motion
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keys like the standard \*(KAs plus the Home, End, PgUp and PgDn keys.
If your terminal or emulator does not provide those keys, the following
keys are accepted for compatibility:
.Bd -literal -compact
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\fI key equivalents \fR
Up alt +\fB \\ \fR or alt +\fB k \fR
Down alt +\fB / \fR or alt +\fB j \fR
Left alt +\fB < \fR or alt +\fB h \fR
Right alt +\fB > \fR or alt +\fB l \fR (lower case L)
PgUp alt +\fB Up \fR
PgDn alt +\fB Down \fR
Home alt +\fB Left \fR
End alt +\fB Right \fR
.Ed
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When you start \*(We for the first time, you'll be presented with these
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traditional screen elements: 1) Summary Area; 2) Fields/Columns Header;
3) Task Area.
These areas will be explored in the sections that follow.
There is also an Input/Message line between the Summary Area and Columns
Header which needs no further explanation.
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\*(NT the width of \*(We's display will be limited to \*(WX positions.
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Displaying all fields requires \*(WF characters.
Remaining screen width is usually allocated to any variable width columns
currently visible.
The variable width columns, such as COMMAND, are noted in topic
3a. DESCRIPTIONS of Fields.
Actual output width may also be influenced by the -w switch, which is
discussed in topic 1. COMMAND\-LINE Options.
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.\" ......................................................................
.SS Startup Defaults
.\" ----------------------------------------------------------------------
The following startup defaults assume no \*(CF, thus no user customizations.
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Even so, items shown with an \*(AK could be overridden through the
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command-line.
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All are explained in detail in the sections that follow.
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.Bd -literal
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\fIGlobal-defaults\fR
'A' - Alt display Off (full-screen)
* 'd' - Delay time 3.0 seconds
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* 'H' - Threads mode Off (summarize as tasks)
'I' - Irix mode On\ \ (no, 'solaris' smp)
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* 'p' - PID monitoring Off (show all processes)
* 's' - Secure mode Off (unsecured)
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'B' - Bold enable On\ \ (yes, bold globally)
\fISummary-Area-defaults\fR
'l' - Load Avg/Uptime On\ \ (thus program name)
't' - Task/Cpu states On\ \ (1+1 lines, see '1')
'm' - Mem/Swap usage On\ \ (2 lines worth)
'1' - Single Cpu On\ \ (thus 1 line if smp)
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\fITask-Area-defaults\fR
'b' - Bold hilite On\ \ (not 'reverse')
* 'c' - Command line Off (name, not cmdline)
* 'i' - Idle tasks On\ \ (show all tasks)
'R' - Reverse sort On\ \ (pids high-to-low)
* 'S' - Cumulative time Off (no, dead children)
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* 'u' - User filter Off (show euid only)
* 'U' - User filter Off (show any uid)
'x' - Column hilite Off (no, sort field)
'y' - Row hilite On\ \ (yes, running tasks)
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'z' - color/mono Off (no, colors)
.Ed
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.\" ----------------------------------------------------------------------
.SH 1. COMMAND-LINE Options
.\" ----------------------------------------------------------------------
The command-line syntax for \*(We consists of:
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\-\fBhv\fR | \-\fBbcHisS\fR \-\fBd\fI delay\fR \-\fBn\fI limit\fR
\-\fBu\fR|\fBU\fI user\fR | \-\fBp\fI pid\fR \-\fBw\fR [\fIcols\fR] \fR
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The typically mandatory switches ('-') and even whitespace are completely
optional.
.TP 5
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\-\fBh\fR | \-\fBv\fR :\fI Help/Version \fR
Show library version and the usage prompt, then quit.
.TP 5
\-\fBb\fR :\fI Batch-mode\fR operation \fR
Starts \*(We in 'Batch' mode, which could be useful for sending output
from \*(We to other programs or to a file.
In this mode, \*(We will not accept input and runs until the iterations
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limit you've set with the '-n' \*(CO or until killed.
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.TP 5
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\-\fBc\fR :\fI Command-line/Program-name\fR toggle \fR
Starts \*(We with the last remembered 'c' state reversed.
Thus, if \*(We was displaying command lines, now that field will show program
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names, and visa versa.
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\*(XC 'c' \*(CI for additional information.
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.TP 5
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\-\fBd\fR :\fI Delay-time\fR interval as:\ \ \fB-d ss.tt\fR (\fIsecs\fR.\fItenths\fR) \fR
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Specifies the delay between screen updates, and overrides the corresponding
value in one's personal \*(CF or the startup default.
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Later this can be changed with the 'd' or 's' \*(CIs.
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Fractional seconds are honored, but a negative number is not allowed.
In all cases, however, such changes are prohibited if \*(We is running
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in 'Secure mode', except for root (unless the 's' \*(CO was used).
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For additional information on 'Secure mode' \*(Xt 6a. SYSTEM Configuration File.
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.TP 5
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\-\fBH\fR :\fI Threads-mode\fR operation \fR
Instructs \*(We to display individual threads.
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Without this \*(CO a summation of all threads in each process is shown.
Later this can be changed with the 'H' \*(CI.
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.TP 5
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\-\fBi\fR :\fI Idle-process\fR toggle \fR
Starts \*(We with the last remembered 'i' state reversed.
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When this toggle is \*F, tasks that have not used any \*(PU since the
last update will not be displayed.
For additional information regarding this toggle
\*(Xt 4c. TASK AREA Commands, SIZE.
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.TP 5
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\-\fBn\fR :\fI Number-of-iterations\fR limit as:\fB\ \ -n number \fR
Specifies the maximum number of iterations, or frames, \*(We should
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produce before ending.
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.TP 5
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\-\fBp\fR :\fI Monitor-PIDs\fR mode as:\fB\ \ -pN1 -pN2 ...\fR\ \ or\fB\ \ -pN1,N2,N3 ... \fR
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Monitor only processes with specified process IDs.
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This option can be given up to \*(WP times, or you can provide a comma delimited
list with up to \*(WP pids.
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Co-mingling both approaches is permitted.
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This is a \*(CO only and should you wish to return to normal operation,
it is not necessary to quit and and restart \*(We \*(Em just issue any
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of these \*(CIs: '=', 'u' or 'U'.
The 'p', 'u' and 'U' \*(COs are mutually exclusive.
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.TP 5
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\-\fBs\fR :\fI Secure-mode\fR operation \fR
Starts \*(We with secure mode forced, even for root.
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This mode is far better controlled through the system \*(CF
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(\*(Xt 6. FILES).
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.TP 5
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\-\fBS\fR :\fI Cumulative-time\fR toggle \fR
Starts \*(We with the last remembered 'S' state reversed.
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When 'Cumulative time' mode is \*O, each process is listed with the \*(Pu
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time that it and its dead children have used.
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\*(XC 'S' \*(CI for additional information regarding this mode.
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.TP 5
\-\fBu\fR | \-\fBU\fR :\fI User-filter-mode\fR as:\ \ \fB-u\fR | \fB-U number\fR or\fB name \fR
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Display only processes with a user id or user name matching that given.
The '-u' option matches on \fI effective\fR user whereas the '-U' option
matches on\fI any\fR user (real, effective, saved, or filesystem).
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The 'p', 'u' and 'U' \*(COs are mutually exclusive.
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.TP 5
\-\fBw\fR :\fI Output-width-override\fR as:\ \ \fB-w\fR [\fB number\fR ] \fR
In 'Batch' mode, when used without an argument \*(We will format
output using the COLUMNS= and LINES= environment variables, if set.
Otherwise, width will be fixed at the maximum \*(WX columns.
With an argument, output width can be decreased or increased (up to \*(WX)
but the number of rows is considered unlimited.
In normal display mode, when used without an argument \*(We will\fI attempt\fR
to format output using the COLUMNS= and LINES= environment variables, if set.
With an argument, output width can only be decreased, not increased.
Whether using environment variables or an argument with -w, when\fI not\fR
in 'Batch' mode actual terminal dimensions can never be exceeded.
\*(NT Without the use of this \*(CO, output width is always based on the
terminal at which \*(We was invoked whether or not in 'Batch' mode.
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.\" ----------------------------------------------------------------------
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.SH 2. SUMMARY Display
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.\" ----------------------------------------------------------------------
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Each of the following three areas are individually controlled through
one or more \*(CIs.
\*(XT 4b. SUMMARY AREA Commands for additional information regarding
these provisions.
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.\" ......................................................................
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.SS 2a. UPTIME and LOAD Averages
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.\" ----------------------------------------------------------------------
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This portion consists of a single line containing:
.Bd -literal -compact
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\fBprogram\fR or\fB window\fR name, depending on display mode
current time and length of time since last boot
total number of users
system load avg over the last 1, 5 and 15 minutes
.Ed
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.\" ......................................................................
.SS 2b. TASK and CPU States
.\" ----------------------------------------------------------------------
This portion consists of a minimum of two lines.
In an SMP environment, additional lines can reflect individual \*(PU
state percentages.
Line 1 shows total\fB tasks\fR or\fB threads\fR, depending on the state
of the Threads-mode toggle.
That total is further classified as:
.Bd -literal -compact
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running; sleeping; stopped; zombie
.Ed
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Line 2 shows \*(PU state percentages based on the interval since the
last refresh. Where two labels are shown below, those for more recent
kernel versions are shown first.
.Bd -literal -compact
\fBus\fR,\fB user\fR : time running un-niced user processes
\fBsy\fR,\fB system\fR : time running kernel processes
\fBni\fR,\fB nice\fR : time running niced user processes
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\fBwa\fR,\fB IO-wait\fR : time waiting for I/O completion
\fBhi\fR : time spent servicing hardware interrupts
\fBsi\fR : time spent servicing software interrupts
\fBst\fR : time stolen from this vm by the hypervisor
.Ed
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.\" ......................................................................
.SS 2c. MEMORY Usage
.\" ----------------------------------------------------------------------
This portion consists of two lines which may express values in kilobytes (Kb),
megabytes (Mb) or gigabytes (Gb) depending on the amount of currently
installed \*(MP.
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Line 1 reflects \*(MP, classified as:
total, used, free, buffers
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Line 2 reflects \*(MV, classified as:
total, used, free, cached
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.\" ----------------------------------------------------------------------
.SH 3. FIELDS / Columns
.\" ----------------------------------------------------------------------
.\" ......................................................................
.SS 3a. DESCRIPTIONS of Fields
.\" ----------------------------------------------------------------------
Listed below are \*(We's available process fields (columns).
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They are shown in alphabetical order.
You may customize their position and whether or not they are displayable
with the 'f' or 'F' (Fields Management) \*(CIs.
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Any field is selectable as the sort field, and you control whether they
are sorted high-to-low or low-to-high.
For additional information on sort provisions
\*(Xt 4c. TASK AREA Commands, SORTING.
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.TP 4
1.\fB CGROUPS \*(Em Control Groups \fR
The names of the control group(s) to which a process belongs,
or '-' if not applicable for that process.
Control Groups provide for allocating resources (cpu, memory, network
bandwidth, etc.) among installation-defined groups of processes.
They enable fine-grained control over allocating, denying, prioritizing,
managing and monitoring those resources.
Many different hierarchies of cgroups can exist simultaneously on a system
and each hierarchy is attached to one or more subsystems.
A subsystem represents a single resource.
\*(NT The 'CGROUPS' field, unlike most columns, is not fixed-width.
When displayed, it plus any other variable width columns will be allocated
all remaining screen width (up to the maximum \*(WX characters).
.TP 4
2.\fB CODE \*(Em Code Size (kb) \fR
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The amount of \*(MP devoted to executable code, also known as
the 'text resident set' size or TRS.
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.TP 4
3.\fB COMMAND \*(Em Command\fB Name\fR or Command\fB Line \fR
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Display the command line used to start a task or the name of the associated
program.
You toggle between command\fI line\fR and\fI name\fR with 'c', which is both
a \*(CO and an \*(CI.
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When you've chosen to display command lines, processes without a command
line (like kernel threads) will be shown with only the program name in
brackets, as in this example:
\fR[ mdrecoveryd ]
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Either form of display is subject to potential truncation if it's too long to
fit in this field's current width.
That width depends upon other fields selected, their order and the current
screen width.
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This field may also be impacted by the 'forest view' display mode.
\*(XC 'V' \*(CI for additional information regarding that mode.
\*(NT The 'COMMAND' field, unlike most columns, is not fixed-width.
When displayed, it plus any other variable width columns will be allocated
all remaining screen width (up to the maximum \*(WX characters).
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.TP 4
4.\fB %CPU \*(Em \*(PU Usage \fR
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The task's share of the elapsed \*(PU time since the last screen update,
expressed as a percentage of total \*(PU time.
In a true SMP environment, if 'Irix mode' is \*F, \*(We will operate
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in 'Solaris mode' where a task's \*(Pu usage will be divided by the total
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number of \*(PUs.
You toggle 'Irix/Solaris' modes with the 'I' \*(CI.
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.TP 4
5.\fB DATA \*(Em Data + Stack Size (kb) \fR
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The amount of \*(MP devoted to other than executable code, also known as
the 'data resident set' size or DRS.
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.TP 4
6.\fB Flags \*(Em Task Flags \fR
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This column represents the task's current scheduling flags which are
expressed in hexadecimal notation and with zeros suppressed.
These flags are officially documented in <linux/sched.h>.
.TP 4
7.\fB GID \*(Em Group Id \fR
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The\fI effective\fR group ID.
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.TP 4
8.\fB GROUP \*(Em Group Name \fR
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The\fI effective\fR group name.
.TP 4
9.\fB %MEM \*(Em Memory Usage (RES) \fR
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A task's currently used share of available \*(MP.
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.TP 4
10.\fB NI \*(Em Nice Value \fR
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The nice value of the task.
A negative nice value means higher priority, whereas a positive nice value
means lower priority.
Zero in this field simply means priority will not be adjusted in determining
a task's dispatch-ability.
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.TP 4
11.\fB nDRT \*(Em Dirty Pages Count \fR
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The number of pages that have been modified since they were last
written to \*(AS.
Dirty pages must be written to \*(AS before the corresponding physical
memory location can be used for some other virtual page.
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.TP 4
12.\fB nMaj \*(Em Major Page Fault Count \fR
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The number of\fB major\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space.
A major page fault is when \*(AS access is involved in making that
page available.
.TP 4
13.\fB nMin \*(Em Minor Page Fault count \fR
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The number of\fB minor\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space.
A minor page fault does not involve \*(AS access in making that
page available.
.TP 4
14.\fB nTH \*(Em Number of Threads \fR
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The number of threads associated with a process.
.TP 4
15.\fB P \*(Em Last used \*(PU (SMP) \fR
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A number representing the last used processor.
In a true SMP environment this will likely change frequently since the kernel
intentionally uses weak affinity.
Also, the very act of running \*(We may break this weak affinity and cause more
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processes to change \*(PUs more often (because of the extra demand for
\*(Pu time).
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.TP 4
16.\fB PGRP \*(Em Process Group Id \fR
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Every process is member of a unique process group which is used for
distribution of signals and by terminals to arbitrate requests for their
input and output.
When a process is created (forked), it becomes a member of the process
group of its parent.
By convention, this value equals the process ID (\*(Xa PID) of the first
member of a process group, called the process group leader.
.TP 4
17.\fB PID \*(Em Process Id \fR
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The task's unique process ID, which periodically wraps, though never
restarting at zero.
In kernel terms, it is a dispatchable entity defined by a 'task_struct'.
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This value may also be used as: a process group ID (\*(Xa PGRP);
a session ID for the session leader (\*(Xa SID);
a thread group ID for the thread group leader (\*(Xa TGID);
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and a TTY process group ID for the process group leader (\*(Xa TPGID).
.TP 4
18.\fB PPID \*(Em Parent Process Id \fR
The process ID (pid) of a task's parent.
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.TP 4
19.\fB PR \*(Em Priority \fR
The scheduling priority of the task.
If you see 'rt' in this field, it means the task is running under
'real time' scheduling priority.
Under linux, real time priority is somewhat misleading since traditionally
the operating itself was not preemptable.
And while the 2.6 kernel can be made mostly preemptable, it is not always so.
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2011-03-31 16:45:12 +05:30
.TP 4
20.\fB RES \*(Em Resident Memory Size (kb) \fR
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The non-swapped \*(MP a task has used.
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.TP 4
21.\fB RUID \*(Em Real User Id \fR
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The\fI real\fR user ID.
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.TP 4
22.\fB RUSER \*(Em Real User Name \fR
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The\fI real\fR user name.
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.TP 4
23.\fB S \*(Em Process Status \fR
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The status of the task which can be one of:
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'\fBD\fR' = uninterruptible sleep
'\fBR\fR' = running
'\fBS\fR' = sleeping
'\fBT\fR' = traced or stopped
'\fBZ\fR' = zombie
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Tasks shown as running should be more properly thought of as 'ready to run'
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\*(Em their task_struct is simply represented on the Linux run-queue.
Even without a true SMP machine, you may see numerous tasks in this state
depending on \*(We's delay interval and nice value.
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.TP 4
24.\fB SHR \*(Em Shared Memory Size (kb) \fR
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The amount of \*(MS available to a task, not all of which is
typically resident.
It simply reflects memory that could be potentially shared with
other processes.
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.TP 4
25.\fB SID \*(Em Session Id \fR
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A session is a collection of process groups (\*(Xa PGRP),
usually established by the login shell.
A newly forked process joins the session of its creator.
By convention, this value equals the process ID (\*(Xa PID) of the first
member of the session, called the session leader, which is usually the
login shell.
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.TP 4
26.\fB SUID \*(Em Saved User Id \fR
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The\fI saved\fR user ID.
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.TP 4
27.\fB SUPGIDS \*(Em Supplementary Group IDs \fR
The IDs of any supplementary group(s) established at login or
inherited from a task's parent.
They are displayed in a comma delimited list.
\*(NT The 'SUPGIDS' field, unlike most columns, is not fixed-width.
When displayed, it plus any other variable width columns will be allocated
all remaining screen width (up to the maximum \*(WX characters).
.TP 4
28.\fB SUPGRPS \*(Em Supplementary Group Names \fR
The names of any supplementary group(s) established at login or
inherited from a task's parent.
They are displayed in a comma delimited list.
\*(NT The 'SUPGRPS' field, unlike most columns, is not fixed-width.
When displayed, it plus any other variable width columns will be allocated
all remaining screen width (up to the maximum \*(WX characters).
.TP 4
29.\fB SUSER \*(Em Saved User Name \fR
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The\fI saved\fR user name.
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.TP 4
30.\fB SWAP \*(Em Swapped Size (kb) \fR
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The non-resident portion of a task's address space.
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.TP 4
31.\fB TGID \*(Em Thread Group Id \fR
The ID of the thread group to which a task belongs.
It is the PID of the thread group leader.
In kernel terms, it represents those tasks that share an 'mm_struct'.
.TP 4
32.\fB TIME \*(Em \*(PU Time \fR
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Total \*(PU time the task has used since it started.
When 'Cumulative mode' is \*O, each process is listed with the \*(Pu
time that it and its dead children have used.
You toggle 'Cumulative mode' with 'S', which is both a \*(CO and an \*(CI.
\*(XC 'S' \*(CI for additional information regarding this mode.
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.TP 4
33.\fB TIME+ \*(Em \*(PU Time, hundredths \fR
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The same as 'TIME', but reflecting more granularity through hundredths
of a second.
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.TP 4
34.\fB TPGID \*(Em Tty Process Group Id \fR
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The process group ID of the foreground process for the connected tty,
or -1 if a process is not connected to a terminal.
By convention, this value equals the process ID (\*(Xa PID) of the
the process group leader (\*(Xa PGRP).
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.TP 4
35.\fB TTY \*(Em Controlling Tty \fR
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The name of the controlling terminal.
This is usually the device (serial port, pty, etc.) from which the
process was started, and which it uses for input or output.
However, a task need not be associated with a terminal, in which case
you'll see '?' displayed.
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.TP 4
36.\fB UID \*(Em User Id \fR
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The\fI effective\fR user ID of the task's owner.
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.TP 4
37.\fB USER \*(Em User Name \fR
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The\fI effective\fR user name of the task's owner.
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.TP 4
38.\fB VIRT \*(Em Virtual Memory Size (kb) \fR
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The total amount of \*(MV used by the task.
It includes all code, data and shared libraries plus pages that have been
swapped out and pages that have been mapped but not used.
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.TP 4
39.\fB WCHAN \*(Em Sleeping in Function \fR
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Depending on the availability of the kernel link map ('System.map'), this
field will show the name or the address of the kernel function in which the
task is currently sleeping.
Running tasks will display a dash ('-') in this column.
By displaying this field, \*(We's own working set could be increased by over
700Kb, depending on the kernel version.
Should that occur, your only means of reducing that overhead will be to stop
and restart \*(We.
\*(NT The 'WCHAN' field, unlike most columns, is not fixed-width.
When displayed, it plus any other variable width columns will be allocated
all remaining screen width (up to the maximum \*(WX characters).
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.\" ......................................................................
.SS 3b. MANAGING Fields
.\" ----------------------------------------------------------------------
After pressing the \*(CI 'f' or 'F' (Fields Management) you will be presented
with a screen showing: 1) the \*(CW name; 2) the designated sort field;
3) all fields in their current order along with descriptions.
Entries marked with an asterisk are the currently displayed fields,
screen width permitting.
.RS +4
.jBu
As the on screen instructions indicate, you navigate among the fields with
the\fB Up\fR and\fB Down\fR \*(KAs.
The PgUp, PgDn, Home and End keys can also be used to quickly reach the
first or last available field.
.jBu
The\fB Right\fR \*(KA selects a field for repositioning and
the\fB Left\fR \*(KA or the <\fBEnter\fR> key commits that field's
placement.
.jBu
The '\fBd\fR' key or the <\fBSpace\fR> bar toggles a field's display
status, and thus the presence or absence of the asterisk.
.jBu
The '\fBs\fR' key designates a field as the sort field.
\*(XT 4c. TASK AREA Commands, SORTING for additional information regarding
your selection of a sort field.
.jBu
The '\fBa\fR' and '\fBw\fR' keys can be used to cycle through all available
windows and the '\fBq\fR' or <\fBEsc\fR> keys exit Fields Management.
.RS -4
.PP
The Fields Management screen can also be used to change the \*(CG in
either \*(FM or \*(AM.
Whatever was targeted when 'q' or <Esc> was pressed will be made current
as you return to the \*(We display.
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\*(XT 5. ALTERNATE\-DISPLAY Provisions and the 'g' \*(CI for insight
into \*(CWs and \*(FGs.
.PP
\*(NT Any window that has been scrolled\fI horizontally\fR will be reset if any
field changes are made via the Fields Management screen.
Any\fI vertical\fR scrolled position, however, will not be affected.
\*(XT 5c. SCROLLING a Window for additional information regarding vertical
and horizontal scrolling.
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.\" ----------------------------------------------------------------------
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.SH 4. INTERACTIVE Commands
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.\" ----------------------------------------------------------------------
Listed below is a brief index of commands within categories.
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Some commands appear more than once \*(Em their meaning or scope may vary
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depending on the context in which they are issued.
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.Bd -literal
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4a.\fI Global-Commands \fR
<Ent/Sp> ?, =, A, B, d, g, h, H, I, k, q, r, s, W, Z
4b.\fI Summary-Area-Commands \fR
C, l, t, 1, m
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4c.\fI Task-Area-Commands \fR
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Appearance: b, x, y, z
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Content: c, f, F, S, u, U, V
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Size: #, i, n
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Sorting: <, >, f, F, R
4d.\fI Color-Mapping \fR
<Ret>, a, B, b, H, M, q, S, T, w, z, 0 - 7
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5b.\fI Commands-for-Windows \fR
-, _, =, +, A, a, g, G, w
5c.\fI Scrolling-a-Window \fR
C, Up, Dn, Left, Right, PgUp, PgDn, Home, End
5d.\fI Searching-in-a-Window \fR
L, &
.Ed
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.\" ......................................................................
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.SS 4a. GLOBAL Commands
.\" ----------------------------------------------------------------------
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The global \*(CIs are\fB always\fR available\fR in both \*(FM and \*(AM.
However, some of these \*(CIs are\fB not available\fR when running
in 'Secure mode'.
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If you wish to know in advance whether or not your \*(We has been
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secured, simply ask for help and view the system summary on the second
line.
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.TP 7
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\ \ \<\fBEnter\fR> or <\fBSpace\fR> :\fIRefresh-Display \fR
These commands awaken \*(We and following receipt of any input
the entire display will be repainted.
They also force an update of any hotplugged \*(Pu or \*(MP changes.
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Use either of these keys if you have a large delay interval and wish
to see current status,
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.TP 7
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\ \ \'\fB?\fR\' | \'\fBh\fR\' :\fIHelp \fR
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There are two help levels available.
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The first will provide a reminder of all the basic \*(CIs.
If \*(We is\fI secured\fR, that screen will be abbreviated.
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Typing 'h' or '?' on that help screen will take you to help for
those \*(CIs applicable to \*(AM.
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.TP 7
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\ \ \'\fB=\fR\' :\fIExit-Task-Limits \fR
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Removes restrictions on which tasks are shown.
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This command will reverse any 'i' (idle tasks) and 'n' (max tasks)
commands that might be active.
It also provides for an 'exit' from pid monitoring\fI and\fR user filtering.
See the '-p' \*(CO for a discussion of PID monitoring and the 'U' or 'u'
\*(CIs regarding user filtering.
Additionally, any window that has been scrolled will be reset with
this command.
\*(XT 5c. SCROLLING a Window for additional information regarding
vertical and horizontal scrolling.
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When operating in \*(AM this command has a broader meaning.
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.TP 7
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\ \ \'\fBA\fR\' :\fIAlternate-Display-Mode\fR toggle \fR
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This command will switch between \*(FM and \*(AM.
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\*(XT 5. ALTERNATE\-DISPLAY Provisions and the 'g' \*(CI for insight
into \*(CWs and \*(FGs.
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.TP 7
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\ \ \'\fBB\fR\' :\fIBold-Disable/Enable\fR toggle \fR
This command will influence use of the 'bold' terminfo capability and
alters\fB both\fR the \*(SA and \*(TA for the \*(CW.
While it is intended primarily for use with dumb terminals, it can be
applied anytime.
\*(NT When this toggle is \*O and \*(We is operating in monochrome mode,
the\fB entire display\fR will appear as normal text.
Thus, unless the 'x' and/or 'y' toggles are using reverse for emphasis,
there will be no visual confirmation that they are even on.
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.TP 7
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*\ \'\fBd\fR\' | \'\fBs\fR\' :\fIChange-Delay-Time-interval \fR
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You will be prompted to enter the delay time, in seconds, between
display updates.
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Fractional seconds are honored, but a negative number is not allowed.
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Entering 0 causes (nearly) continuous updates, with an unsatisfactory
display as the system and tty driver try to keep up with \*(We's demands.
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The delay value is inversely proportional to system loading,
so set it with care.
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If at any time you wish to know the current delay time, simply ask for
help and view the system summary on the second line.
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.TP 7
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\ \ \'\fBg\fR\' :\fIChoose-Another-Window/Field-Group \fR
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You will be prompted to enter a number between 1 and 4 designating the
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\*(FG which should be made the \*(CW.
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You will soon grow comfortable with these 4 windows, especially after
experimenting with \*(AM.
.TP 7
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\ \ \'\fBH\fR\' :\fIThreads-mode\fR toggle \fR
When this toggle is \*O, individual threads will be displayed for all
processes in all visible \*(TWs.
Otherwise, \*(We displays a summation of all threads in each process.
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.TP 7
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\ \ \'\fBI\fR\' :\fIIrix/Solaris-Mode\fR toggle \fR
When operating in 'Solaris mode' ('I' toggled \*F), a task's \*(Pu usage
will be divided by the total number of \*(PUs.
After issuing this command, you'll be told the new state of this toggle.
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.TP 7
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*\ \'\fBk\fR\' :\fIKill-a-task \fR
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You will be prompted for a PID and then the signal to send.
The default signal, as reflected in the prompt, is SIGTERM.
However, you can send any signal, via number or name.
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If you wish to abort the kill process, do one of the following
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depending on your progress:
1) at the pid prompt, just press <Enter>
2) at the signal prompt, type 0
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.TP 7
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\ \ \'\fBq\fR\' :\fIQuit \fR
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.TP 7
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*\ \'\fBr\fR\' :\fIRenice-a-Task \fR
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You will be prompted for a PID and then the value to nice it to.
Entering a positive value will cause a process to lose priority.
Conversely, a negative value will cause a process to be viewed more
favorably by the kernel.
.TP 7
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\ \ \'\fBW\fR\' :\fIWrite-the-Configuration-File \fR
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This will save all of your options and toggles plus the current
display mode and delay time.
By issuing this command just before quitting \*(We, you will be able
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restart later in exactly that same state.
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.TP 7
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\ \ \'\fBZ\fR\' :\fIChange-Color-Mapping
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This key will take you to a separate screen where you can change the
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colors for the \*(CW, or for all windows.
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For details regarding this \*(CI \*(Xt 4d. COLOR Mapping.
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.IP "*" 3
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The commands shown with an \*(AK are not available in 'Secure mode',
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nor will they be shown on the level-1 help screen.
.\" ......................................................................
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.SS 4b. SUMMARY AREA Commands
.\" ----------------------------------------------------------------------
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The \*(SA \*(CIs are\fB always available\fR in both \*(FM and \*(AM.
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They affect the beginning lines of your display and will determine the
position of messages and prompts.
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These commands always impact just the \*(CG.
\*(XT 5. ALTERNATE\-DISPLAY Provisions and the 'g' \*(CI for insight into
\*(CWs and \*(FGs.
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.TP 7
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\ \ \'\fBl\fR\' :\fILoad-Average/Uptime\fR toggle \fR
This is also the line containing the program name (possibly an alias)
when operating in \*(FM or the \*(CW name when operating in \*(AM.
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.TP 7
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\ \ \'\fBt\fR\' :\fITask/Cpu-States\fR toggle \fR
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This command affects from 2 to many \*(SA lines, depending on the state
of the '1' toggle and whether or not \*(We is running under true SMP.
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This portion of the \*(SA is also influenced by the 'H' \*(CI toggle,
as reflected in the total label which shows either 'Tasks' or 'Threads'.
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.TP 7
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\ \ \'\fB1\fR\' :\fISingle/Separate-Cpu-States\fR toggle \fR
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This command affects how the 't' command's Cpu States portion is shown.
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Although this toggle exists primarily to serve massively-parallel SMP
machines, it is not restricted to solely SMP environments.
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When you see '%Cpu(s):' in the \*(SA, the '1' toggle is \*O and all
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\*(Pu information is gathered in a single line.
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Otherwise, each \*(Pu is displayed separately as: '%Cpu0, %Cpu1, ...'
up to available screen height.
.TP 7
\ \ \'\fBm\fR\' :\fIMemory/Swap-Usage\fR toggle \fR
This command affects the two \*(SA lines dealing with physical
and virtual memory.
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2002-02-02 04:17:29 +05:30
.PP
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\*(NT If the entire \*(SA has been toggled \*F for any window, you would
be left with just the\fB message line\fR.
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In that way, you will have maximized available task rows but (temporarily)
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sacrificed the program name in \*(FM or the \*(CW name when in \*(AM.
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.\" ......................................................................
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.SS 4c. TASK AREA Commands
.\" ----------------------------------------------------------------------
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The \*(TA \*(CIs are\fB always\fR available in \*(FM.
The \*(TA \*(CIs are\fB never available\fR in \*(AM\fI if\fR the \*(CW's
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\*(TD has been toggled \*F (\*(Xt 5. ALTERNATE\-DISPLAY Provisions).
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.TP 2
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.\" ..................................................
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.B APPEARANCE\fR of \*(TW
The following commands will also be influenced by the state of the
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global 'B' (bold enable) toggle.
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.TP 7
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\ \ \'\fBb\fR\' :\fIBold/Reverse\fR toggle \fR
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This command will impact how the 'x' and 'y' toggles are displayed.
Further, it will only be available when at least one of those toggles is \*O.
.TP 7
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\ \ \'\fBx\fR\' :\fIColumn-Highlight\fR toggle \fR
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Changes highlighting for the current sort field.
If you forget which field is being sorted this command can serve as a quick
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visual reminder, providing the sort field is being displayed.
The sort field might\fI not\fR be visible because:
1) there is insufficient\fI Screen Width \fR
2) the 'f' \*(CI turned it \*F
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.TP 7
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\ \ \'\fBy\fR\' :\fIRow-Highlight\fR toggle \fR
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Changes highlighting for "running" tasks.
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For additional insight into this task state,
\*(Xt 3a. DESCRIPTIONS of Fields, the 'S' field (Process Status).
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Use of this provision provides important insight into your system's health.
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The only costs will be a few additional tty escape sequences.
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.TP 7
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\ \ \'\fBz\fR\' :\fIColor/Monochrome\fR toggle \fR
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Switches the \*(CW between your last used color scheme and the older form
of black-on-white or white-on-black.
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This command will alter\fB both\fR the \*(SA and \*(TA but does not affect
the state of the 'x', 'y' or 'b' toggles.
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2002-02-02 04:17:29 +05:30
.PP
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.\" ..................................................
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.B CONTENT\fR of \*(TW
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.PD 0
.TP 7
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\ \ \'\fBc\fR\' :\fICommand-Line/Program-Name\fR toggle \fR
This command will be honored whether or not the 'COMMAND' column
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is currently visible.
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Later, should that field come into view, the change you applied will be seen.
.TP 7
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\ \ \'\fBf\fR\' | \'\fBF\fR\' :\fIFields-Management \fR
These keys display a separate screen where you can change which fields are
displayed, their order and also designate the sort field.
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For additional information on these \*(CIs
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\*(Xt 3b. MANAGING Fields.
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.TP 7
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\ \ \'\fBS\fR\' :\fICumulative-Time-Mode\fR toggle \fR
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When 'Cumulative mode' is \*O, each process is listed with the \*(Pu
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time that it and its dead children have used.
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When \*F, programs that fork into many separate tasks will appear
less demanding.
For programs like 'init' or a shell this is appropriate but for others,
like compilers, perhaps not.
Experiment with two \*(TWs sharing the same sort field but with different 'S'
states and see which representation you prefer.
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After issuing this command, you'll be informed of the new state of this toggle.
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If you wish to know in advance whether or not 'Cumulative mode' is in
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effect, simply ask for help and view the window summary on the second line.
.TP 7
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\ \ \'\fBu\fR' | '\fBU\fR' :\fIShow-Specific-User-Only \fR
You will be prompted for the\fB uid\fR or\fB name\fR of the user to display.
The '-u' option matches on \fB effective\fR user whereas the '-U' option
matches on\fB any\fR user (real, effective, saved, or filesystem).
Thereafter, in that \*(TW only matching users will be shown, or possibly
no processes will be shown.
Different \*(TWs can can be used to filter different users.
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Later, if you wish to monitor all tasks again in the \*(CW, re-issue this
command but just press <Enter> at the prompt.
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.TP 7
\ \ \'\fBV\fR' :\fIForest-View-Mode\fR toggle \fR
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In this mode, processes are reordered according to their parents and
the layout of the COMMAND column resembles that of a tree.
In forest view mode it is still possible to toggle between program
name and commamd line (\*(Xc 'c' \*(CI) or between processes and
threads (\*(Xc 'H' \*(CI).
\*(NT Typing any key affecting the sort order will exit forest view
mode in the \*(CW.
\*(XT 4c. TASK AREA Commands, SORTING for information on those keys.
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.PP
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.\" ..................................................
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.B SIZE\fR of \*(TW
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.PD 0
.TP 7
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\ \ \'\fBi\fR\' :\fIIdle-Process\fR toggle \fR
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Displays all tasks or just active tasks.
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When this toggle is \*F, tasks that have not used any \*(PU since the
last update will not be displayed.
However, due to the granularity of the %CPU and TIME+ fields,
some processes may still be displayed that\fI appear\fR to have
used\fI no\fR \*(PU.
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If this command is applied to the last \*(TD when in \*(AM, then it will not
affect the window's size, as all prior \*(TDs will have already been painted.
.TP 7
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\ \ \'\fBn\fR\' | \'\fB#\fR\' :\fISet-Maximum-Tasks \fR
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You will be prompted to enter the number of tasks to display.
The lessor of your number and available screen rows will be used.
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When used in \*(AM, this is the command that gives you precise control over
the size of each currently visible \*(TD, except for the very last.
It will not affect the last window's size, as all prior \*(TDs will have
already been painted.
\*(NT If you wish to increase the size of the last visible \*(TD when in \*(AM,
simply decrease the size of the \*(TD(s) above it.
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.TP 2
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.\" ..................................................
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.B SORTING\fR of \*(TW
For compatibility, this \*(We supports most of the former \*(We sort keys.
Since this is primarily a service to former \*(We users, these commands do
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not appear on any help screen.
.Bd -literal -compact
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\fI command sorted-field supported \fR
A start time (non-display) \fB No \fR
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M %MEM Yes
N PID Yes
P %CPU Yes
T TIME+ Yes
.Ed
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Before using any of the following sort provisions, \*(We suggests that you
temporarily turn on column highlighting using the 'x' \*(CI.
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That will help ensure that the actual sort environment matches your intent.
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The following \*(CIs will\fB only\fR be honored when the current sort field
is\fB visible\fR.
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The sort field might\fI not\fR be visible because:
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1) there is insufficient\fI Screen Width \fR
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2) the 'f' \*(CI turned it \*F
.TP 7
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\ \ \'\fB<\fR\' :\fIMove-Sort-Field-Left \fR
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Moves the sort column to the left unless the current sort field is
the first field being displayed.
.TP 7
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\ \ \'\fB>\fR\' :\fIMove-Sort-Field-Right \fR
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Moves the sort column to the right unless the current sort field is
the last field being displayed.
.PP
.in +2
The following \*(CIs will\fB always\fR be honored whether or not
the current sort field is visible.
.in
.TP 7
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\ \ \'\fBf\fR\' | \'\fBF\fR\' :\fIFields-Management \fR
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These keys display a separate screen where you can change which field
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is used as the sort column, among other functions.
This can be a convenient way to simply verify the current sort field,
when running \*(We with column highlighting turned \*F.
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.TP 7
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\ \ \'\fBR\fR\' :\fIReverse/Normal-Sort-Field\fR toggle \fR
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Using this \*(CI you can alternate between high-to-low and low-to-high sorts.
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.PP
.in +2
\*(NT Field sorting uses internal values, not those in column display.
Thus, the TTY and WCHAN fields will violate strict ASCII collating sequence.
.in
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.\" ......................................................................
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.SS 4d. COLOR Mapping
.\" ----------------------------------------------------------------------
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When you issue the 'Z' \*(CI, you will be presented with a separate screen.
That screen can be used to change the colors in just the \*(CW or
in all four windows before returning to the \*(We display.
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.P
The following \*(CIs are available.
.Bd -literal -compact
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\fB4\fR upper case letters to select a\fB target \fR
\fB8\fR numbers to select a\fB color \fR
normal toggles available \fR
'B' :bold disable/enable
'b' :running tasks "bold"/reverse
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'z' :color/mono
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other commands available \fR
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'a'/'w' :apply, then go to next/prior
<Enter> :apply and exit
'q' :abandon current changes and exit
.Ed
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If you use 'a' or 'w' to cycle the targeted window, you will
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have applied the color scheme that was displayed when you left that window.
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You can, of course, easily return to any window and reapply different
colors or turn colors \*F completely with the 'z' toggle.
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The Color Mapping screen can also be used to change the \*(CG in
either \*(FM or \*(AM.
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Whatever was targeted when 'q' or <Enter> was pressed will be made current
as you return to the \*(We display.
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.\" ----------------------------------------------------------------------
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.SH 5. ALTERNATE\-DISPLAY Provisions
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.\" ----------------------------------------------------------------------
.\" ......................................................................
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.SS 5a. WINDOWS Overview
.\" ----------------------------------------------------------------------
.TP 3
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.B Field Groups/Windows\fR:
In \*(FM there is a single window represented by the entire screen.
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That single window can still be changed to display 1 of 4 different\fB field
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groups\fR (\*(Xc 'g' \*(CI, repeated below).
Each of the 4 \*(FGs has a unique separately configurable\fB \*(SA \fR
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and its own configurable\fB \*(TA\fR.
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In \*(AM, those 4 underlying \*(FGs can now be made visible
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simultaneously, or can be turned \*F individually at your command.
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The \*(SA will always exist, even if it's only the message line.
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At any given time only\fI one\fR \*(SA can be displayed.
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However, depending on your commands, there could be from\fI zero \fR
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to\fI four\fR separate \*(TDs currently showing on the screen.
.TP 3
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.B Current Window\fR:
The \*(CW is the window associated with the \*(SA and the window to which
task related commands are always directed.
Since in \*(AM you can toggle the \*(TD \*F, some commands might be
restricted for the \*(CW.
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A further complication arises when you have toggled the first \*(SA
line \*F.
With the loss of the window name (the 'l' toggled line), you'll not easily
know what window is the \*(CW.
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.\" ......................................................................
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.SS 5b. COMMANDS for Windows
.\" ----------------------------------------------------------------------
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.TP 7
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\ \ \'\fB-\fR\' | \'\fB_\fR\' :\fIShow/Hide-Window(s)\fR toggles \fR
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The '-' key turns the \*(CW's \*(TD \*O and \*F.
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When \*O, that \*(TA will show a minimum of the columns header you've
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established with the 'f' \*(CI.
It will also reflect any other \*(TA options/toggles you've applied
yielding zero or more tasks.
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The '_' key does the same for all \*(TDs.
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In other words, it switches between the currently visible \*(TD(s) and any
\*(TD(s) you had toggled \*F.
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If all 4 \*(TDs are currently visible, this \*(CI will leave the \*(SA
as the only display element.
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.TP 7
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*\ \'\fB=\fR\' | \'\fB+\fR\' :\fIEqualize-(re-balance)-Window(s) \fR
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The '=' key forces the \*(CW's \*(TD to be visible.
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It also reverses any 'i' (idle tasks), 'n' (max tasks) and 'u'/'U'
(user filter) commands that might be active.
Also, if the window had been scrolled, it will be reset with this command.
\*(XT 5c. SCROLLING a Window for additional information regarding vertical
and horizontal scrolling.
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The '+' key does the same for all windows.
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The four \*(TDs will reappear, evenly balanced.
They will also have retained any customizations you had previously applied,
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except for the 'i' (idle tasks), 'n' (max tasks), 'u'/'U' (user filter)
and scrolling \*(CIs.
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.TP 7
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*\ \'\fBA\fR\' :\fIAlternate-Display-Mode\fR toggle \fR
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This command will switch between \*(FM and \*(AM.
The first time you issue this command, all four \*(TDs will be shown.
Thereafter when you switch modes, you will see only the \*(TD(s) you've
chosen to make visible.
.TP 7
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*\ \'\fBa\fR\' | \'\fBw\fR\' :\fINext-Window-Forward/Backward \fR
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This will change the \*(CW, which in turn changes the window to which
commands are directed.
These keys act in a circular fashion so you can reach any desired \*(CW
using either key.
Assuming the window name is visible (you have not toggled 'l' \*F),
whenever the \*(CW name loses its emphasis/color, that's a reminder
the \*(TD is \*F and many commands will be restricted.
.TP 7
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*\ \'\fBg\fR\' :\fIChoose-Another-Window/Field-Group \fR
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You will be prompted to enter a number between 1 and 4 designating the
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\*(FG which should be made the \*(CW.
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In \*(FM, this command is necessary to alter the \*(CW.
In \*(AM, it is simply a less convenient alternative to the 'a' and 'w'
commands.
.TP 7
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\ \ \'\fBG\fR\' :\fIChange-Window/Field-Group-Name \fR
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You will be prompted for a new name to be applied to the \*(CW.
It does not require that the window name be visible
(the 'l' toggle to be \*O).
.IP "*" 3
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The \*(CIs shown with an \*(AK have use beyond \*(AM.
.Bd -literal -compact
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\'=', 'A', 'g' are always available
\'a', 'w' act the same with color mapping
\ and fields management
.Ed
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.\" ......................................................................
.SS 5c. SCROLLING a Window
.\" ----------------------------------------------------------------------
Typically a \*(TW is a partial view into a systems's total tasks/threads
which shows only some of the available fields/columns.
With these \*(KSs, you can move that view vertically or horizontally to
reveal any desired task or column.
.TP 4
\fBUp\fR,\fBPgUp\fR :\fIScroll-Tasks \fR
Move the view up toward the first task row, until the first task is
displayed at the top of the \*(CW.
The \fIUp\fR \*(KA moves a single line while \fIPgUp\fR scrolls the
entire window.
.TP 4
\fBDown\fR,\fBPgDn\fR :\fIScroll-Tasks \fR
Move the view down toward the last task row, until the last task is
the only task displayed at the top of the \*(CW.
The \fIDown\fR \*(KA moves a single line while \fIPgDn\fR scrolls the
entire window.
.TP 4
\fBLeft\fR,\fBRight\fR :\fIScroll-Columns \fR
Move the view of displayable fields horizontally one column at a time.
\*(NT As a reminder, some fields/columns are not fixed-width but
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allocated all remaining screen width when visible.
When scrolling right or left, that feature may produce some
unexpected results initially.
.TP 4
\fBHome\fR :\fIJump-to-Home-Position \fR
Reposition the display to the un-scrolled coordinates.
.TP 4
\fBEnd\fR :\fIJump-to-End-Position \fR
Reposition the display so that the rightmost column reflects the last
displayable field and the bottom task row represents the last task.
\*(NT From this position it is still possible to scroll\fI down\fR
and\fI right\fR using the \*(KAs.
This is true until a single column and a single task is left as the only
display element.
.TP 4
'\fBC\fR' :\fIShow-scroll-coordinates\fR toggle \fR
Toggle an informational message which is displayed whenever the message
line is not otherwise being used.
.Bd -literal
"\fBscroll coordinates: y = n/n (tasks), x = n/n (fields)\fR"
.Ed
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The coordinates shown as \fBn\fR/\fBn\fR are relative to the upper left
corner of the \*(CW.
.RS +4
.TP 4
\fBy = n/n (tasks) \fR
The first \fBn\fR represents the topmost visible task and is controlled
by \*(KSs.
The second \fBn\fR is updated automatically to reflect total tasks.
.TP 4
\fBx = n/n (fields) \fR
The first \fBn\fR represents the leftmost displayed column and is
controlled by \*(KSs.
The second \fBn\fR is the total number of displayable fields and is
established with the '\fBf\fR' \*(CI.
.RS -4
.PP
The above \*(CIs are\fB always\fR available in \*(FM but\fB never\fR
available in \*(AM if the \*(CW's \*(TD has been toggled \*F.
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.\" ......................................................................
.SS 5d. SEARCHING in a Window
.\" ----------------------------------------------------------------------
You can use these \*(CIs to locate a task row containing a particular value.
.TP 4
'\fBL\fR\' :\fILocate-a-string\fR
You will be prompted for the case-sensitive string to locate starting from
the current window coordinates.
There are no restrictions on search string content.
Searches are not limited to values from a single field or column.
All of the values displayed in a task row are allowed in a search string.
You may include spaces, numbers, symbols and even forest view artwork.
Keying <Enter> with no input will effectively disable the '&' key until
a new search string is entered.
.TP 4
'\fB&\fR\' :\fILocate-next\fR
Assuming a search string has been established, \*(We will attempt to locate
the next occurrence.
.PP
When a match is found, the current window is repositioned vertically so the
task row containing that string is first.
The scroll coordinates message can provide confirmation of such vertical
repositioning (\*(Xc 'C' \*(CI).
Horizontal scrolling, however, is never altered via searching.
The availability of a matching string will be influenced by the following
factors.
.RS +3
.TP 3
a. Which fields are displayable from the total available,
\*(Xt 3b. MANAGING Fields.
.TP 3
b. Scrolling a window vertically and/or horizontally,
\*(Xt 5c. SCROLLING a Window.
.TP 3
c. The state of the command/command-line toggle,
\*(Xc 'c' \*(CI.
.TP 3
d. The stability of the chosen sort column,
for example PID is good but %CPU bad.
.RS -3
.PP
If a search fails, restoring the \*(CW home (unscrolled) position, scrolling
horizontally, displaying command-lines or choosing a more stable sort field
could yet produce a successful '&' search.
The above \*(CIs are\fB always\fR available in \*(FM but\fB never\fR
available in \*(AM if the \*(CW's \*(TD has been toggled \*F.
\*(NT Whenever a search key is typed, \*(We forces idle tasks \*O and user
filtering \*F to ensure that every task is encountered.
\*(XC 'i' and 'u/U' \*(CIs for additional information on how displayed tasks
might be filtered.
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.\" ----------------------------------------------------------------------
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.SH 6. FILES
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.\" ----------------------------------------------------------------------
.\" ......................................................................
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.SS 6a. SYSTEM Configuration File
.\" ----------------------------------------------------------------------
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The presence of this file will influence which version of the 'help' screen
is shown to an ordinary user.
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More importantly, it will limit what ordinary users are allowed
to do when \*(We is running.
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They will not be able to issue the following commands.
.Bd -literal -compact
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k Kill a task
r Renice a task
d or s Change delay/sleep interval
.Ed
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The system \*(CF is\fB not\fR created by \*(We.
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Rather, you create this file manually and place it in the \fI/etc \fR
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directory.
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Its name must be 'toprc' and must have no leading '.' (period).
It must have only two lines.
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2002-08-26 06:25:30 +05:30
Here is an example of the contents of\fI /etc/toprc\fR:
.Bd -literal -compact
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s # line 1: 'secure' mode switch
5.0 # line 2: 'delay'\ \ interval in seconds
.Ed
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.\" ......................................................................
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.SS 6b. PERSONAL Configuration File
.\" ----------------------------------------------------------------------
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This file is written as '$HOME/.your-name-4-top' + 'rc'.
Use the 'W' \*(CI to create it or update it.
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Here is the general layout:
.Bd -literal -compact
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global # line 1: the program name/alias notation
" # line 2: id,altscr,irixps,delay,curwin
per ea # line a: winname,fieldscur
window # line b: winflags,sortindx,maxtasks
" # line c: summclr,msgsclr,headclr,taskclr
.Ed
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If the $HOME variable is not present, \*(We will try to write the
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personal \*(CF to the current directory, subject to permissions.
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.\" ----------------------------------------------------------------------
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.SH 7. STUPID TRICKS Sampler
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.\" ----------------------------------------------------------------------
Many of these 'tricks' work best when you give \*(We a scheduling boost.
So plan on starting him with a nice value of -10, assuming you've got
the authority.
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.\" ......................................................................
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.SS 7a. Kernel Magic
.\" ----------------------------------------------------------------------
.\" sorry, just can't help it -- don't ya love the sound of this?
For these stupid tricks, \*(We needs \*(FM.
.\" ( apparently AM static was a potential concern )
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2011-03-31 16:45:12 +05:30
.jBu
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The user interface, through prompts and help, intentionally implies
that the delay interval is limited to tenths of a second.
However, you're free to set any desired delay.
If you want to see Linux at his scheduling best, try a delay of .09
seconds or less.
For this experiment, under x-windows open an xterm and maximize it.
Then do the following:
.Bd -literal -compact
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. provide a scheduling boost and tiny delay via:
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nice -n -10 top -d.09
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. keep sorted column highlighting \*F so as to
minimize path length
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. turn \*O reverse row highlighting for emphasis
. try various sort columns (TIME/MEM work well),
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and normal or reverse sorts to bring the most
active processes into view
.Ed
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2002-10-24 03:18:11 +05:30
What you'll see is a very busy Linux doing what he's always done for you,
but there was no program available to illustrate this.
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2011-03-31 16:45:12 +05:30
.jBu
Under an xterm using 'white-on-black' colors, on \*(We's Color Mapping screen
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set the task color to black and be sure that task highlighting is set to bold,
not reverse.
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Then set the delay interval to around .3 seconds.
After bringing the most active processes into view, what you'll see are
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the ghostly images of just the currently running tasks.
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2011-03-31 16:45:12 +05:30
.jBu
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Delete the existing rcfile, or create a new symlink.
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Start this new version then type 'T' (a secret key,
\*(Xt 4c. Task Area Commands, SORTING) followed by 'W' and 'q'.
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Finally, restart the program with -d0 (zero delay).
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Your display will be refreshed at three times the rate of the former \*(We,
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a 300% speed advantage.
As \*(We climbs the TIME ladder, be as patient as you can while speculating
on whether or not \*(We will ever reach the \*(We.
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.\" ......................................................................
2011-03-31 16:45:12 +05:30
.SS 7b. Bouncing Windows
.\" ----------------------------------------------------------------------
For these stupid tricks, \*(We needs \*(AM.
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2011-03-31 16:45:12 +05:30
.jBu
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With 3 or 4 \*(TDs visible, pick any window other than the last
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and turn idle processes \*F using the 'i' \*(CT.
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Depending on where you applied 'i', sometimes several \*(TDs are bouncing and
sometimes it's like an accordion, as \*(We tries his best to allocate space.
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2011-03-31 16:45:12 +05:30
.jBu
Set each window's summary lines differently: one with no memory ('m'); another
with no states ('t'); maybe one with nothing at all, just the message line.
Then hold down 'a' or 'w' and watch a variation on bouncing windows \*(Em
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hopping windows.
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2011-03-31 16:45:12 +05:30
.jBu
Display all 4 windows and for each, in turn, set idle processes to \*F using
the 'i' \*(CT.
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You've just entered the "extreme bounce" zone.
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.\" ......................................................................
2011-03-31 16:45:12 +05:30
.SS 7c. The Big Bird Window
.\" ----------------------------------------------------------------------
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This stupid trick also requires \*(AM.
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.jBu
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Display all 4 windows and make sure that 1:Def is the \*(CW.
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Then, keep increasing window size with the 'n' \*(CI until all the other
\*(TDs are "pushed out of the nest".
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When they've all been displaced, toggle between all visible/invisible windows
using the '_' \*(CT.
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Then ponder this:
.br
is \*(We fibbing or telling honestly your imposed truth?
2011-03-31 16:45:12 +05:30
.PP
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.\" ----------------------------------------------------------------------
2011-03-31 16:45:12 +05:30
.SH 8. BUGS
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.\" ----------------------------------------------------------------------
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To report bugs, follow the instructions at:
http://www.debian.org/Bugs/Reporting
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.\" ----------------------------------------------------------------------
2011-03-31 16:45:12 +05:30
.SH 9. HISTORY Former top
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.\" ----------------------------------------------------------------------
The original top was written by Roger Binns,
based on Branko Lankester's <lankeste@fwi.uva.nl> ps program.
Robert Nation <nation@rocket.sanders.lockheed.com>
adapted it for the proc file system.
Helmut Geyer <Helmut.Geyer@iwr.uni-heidelberg.de>
added support for configurable fields.
Plus many other individuals contributed over the years.
.\" ----------------------------------------------------------------------
2011-03-31 16:45:12 +05:30
.SH 10. AUTHOR
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.\" ----------------------------------------------------------------------
This entirely new and enhanced replacement was written by:
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Jim Warner, <james.warner@comcast.net>
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.ig
2002-09-13 17:12:44 +05:30
( as a means to learn Linux, can you believe it? )
( & he accidentally learned a little groff, too! )
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( then after ten years he did it all over again! )
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..
With invaluable help from:
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Craig Small, <csmall@enc.com.au>
.\" Craig Small. <csmall-procps@enc.com.au>
.\" Craig Small, <csmall@debian.org>
.\" Craig Small, <csmall@small.dropbear.id.au>
2011-03-31 16:45:12 +05:30
Albert Cahalan, <albert@users.sf.net>
2002-07-25 03:55:34 +05:30
.ig
.rj 2
2011-03-31 16:45:12 +05:30
.B -*-\fR few though they are, some yet believe\fB -*- \fR
.B -*-\~\~\~\~\~\~\~\fRin-the-\fBart\fR-of-programming\~\~\~\~\~\~\~\fB-*- \fR
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..
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\" ----------------------------------------------------------------------
.SH 11. SEE Also
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.\" ----------------------------------------------------------------------
2002-02-02 04:17:29 +05:30
.BR free (1),
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.BR ps (1),
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.BR uptime (1),
2004-04-13 22:52:58 +05:30
.BR atop (1),
.BR slabtop (1),
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.BR vmstat (8),
.BR w (1).
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.\" ----------------------------------------------------------------------
2002-10-14 03:27:07 +05:30
.ig
2002-07-25 03:55:34 +05:30
.rj 1
\-*-
.PD
.in -3
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Copyright (c) 2002,2011 \*(Em James C. Warner
2002-07-25 03:55:34 +05:30
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.1 or
any later version published by the Free Software Foundation;
with no Front-Cover Texts, no Back-Cover Texts, and with the following
Invariant Sections and any sub-sections therein:
.na
.hy 0
.in +3
STUPID\ TRICKS\ Sampler;
.br
AUTHOR
.in
A copy of the license is included in the section entitled
\(dqGNU Free Documentation License\(dq.
2002-10-14 03:27:07 +05:30
..
2002-02-02 04:17:29 +05:30
.
.\" end: active doc ||||||||||||||||||||||||||||||||||||||||||||||||||||||
.\" ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2002-02-02 04:17:29 +05:30
2002-10-14 03:27:07 +05:30
.ig
2002-07-25 03:55:34 +05:30
.\" ----------------------------------------------------------------------
.SH GNU Free Documentation License
Version 1.1, March 2000
Copyright (C) 2000 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
.SS 0. PREAMBLE
The purpose of this License is to make a manual, textbook, or other
written document "free" in the sense of freedom: to assure everyone
the effective freedom to copy and redistribute it, with or without
modifying it, either commercially or noncommercially. Secondarily,
this License preserves for the author and publisher a way to get
credit for their work, while not being considered responsible for
modifications made by others.
This License is a kind of "copyleft", which means that derivative
works of the document must themselves be free in the same sense. It
complements the GNU General Public License, which is a copyleft
license designed for free software.
We have designed this License in order to use it for manuals for free
software, because free software needs free documentation: a free
program should come with manuals providing the same freedoms that the
software does. But this License is not limited to software manuals;
it can be used for any textual work, regardless of subject matter or
whether it is published as a printed book. We recommend this License
principally for works whose purpose is instruction or reference.
.SS 1. APPLICABILITY AND DEFINITIONS
This License applies to any manual or other work that contains a
notice placed by the copyright holder saying it can be distributed
under the terms of this License. The "Document", below, refers to any
such manual or work. Any member of the public is a licensee, and is
addressed as "you".
A "Modified Version" of the Document means any work containing the
Document or a portion of it, either copied verbatim, or with
modifications and/or translated into another language.
A "Secondary Section" is a named appendix or a front-matter section of
the Document that deals exclusively with the relationship of the
publishers or authors of the Document to the Document's overall subject
(or to related matters) and contains nothing that could fall directly
within that overall subject. (For example, if the Document is in part a
textbook of mathematics, a Secondary Section may not explain any
mathematics.) The relationship could be a matter of historical
connection with the subject or with related matters, or of legal,
commercial, philosophical, ethical or political position regarding
them.
The "Invariant Sections" are certain Secondary Sections whose titles
are designated, as being those of Invariant Sections, in the notice
that says that the Document is released under this License.
The "Cover Texts" are certain short passages of text that are listed,
as Front-Cover Texts or Back-Cover Texts, in the notice that says that
the Document is released under this License.
A "Transparent" copy of the Document means a machine-readable copy,
represented in a format whose specification is available to the
general public, whose contents can be viewed and edited directly and
straightforwardly with generic text editors or (for images composed of
pixels) generic paint programs or (for drawings) some widely available
drawing editor, and that is suitable for input to text formatters or
for automatic translation to a variety of formats suitable for input
to text formatters. A copy made in an otherwise Transparent file
format whose markup has been designed to thwart or discourage
subsequent modification by readers is not Transparent. A copy that is
not "Transparent" is called "Opaque".
Examples of suitable formats for Transparent copies include plain
ASCII without markup, Texinfo input format, LaTeX input format, SGML
or XML using a publicly available DTD, and standard-conforming simple
HTML designed for human modification. Opaque formats include
PostScript, PDF, proprietary formats that can be read and edited only
by proprietary word processors, SGML or XML for which the DTD and/or
processing tools are not generally available, and the
machine-generated HTML produced by some word processors for output
purposes only.
The "Title Page" means, for a printed book, the title page itself,
plus such following pages as are needed to hold, legibly, the material
this License requires to appear in the title page. For works in
formats which do not have any title page as such, "Title Page" means
the text near the most prominent appearance of the work's title,
preceding the beginning of the body of the text.
.SS 2. VERBATIM COPYING
You may copy and distribute the Document in any medium, either
commercially or noncommercially, provided that this License, the
copyright notices, and the license notice saying this License applies
to the Document are reproduced in all copies, and that you add no other
conditions whatsoever to those of this License. You may not use
technical measures to obstruct or control the reading or further
copying of the copies you make or distribute. However, you may accept
compensation in exchange for copies. If you distribute a large enough
number of copies you must also follow the conditions in section 3.
You may also lend copies, under the same conditions stated above, and
you may publicly display copies.
.SS 3. COPYING IN QUANTITY
If you publish printed copies of the Document numbering more than 100,
and the Document's license notice requires Cover Texts, you must enclose
the copies in covers that carry, clearly and legibly, all these Cover
Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on
the back cover. Both covers must also clearly and legibly identify
you as the publisher of these copies. The front cover must present
the full title with all words of the title equally prominent and
visible. You may add other material on the covers in addition.
Copying with changes limited to the covers, as long as they preserve
the title of the Document and satisfy these conditions, can be treated
as verbatim copying in other respects.
If the required texts for either cover are too voluminous to fit
legibly, you should put the first ones listed (as many as fit
reasonably) on the actual cover, and continue the rest onto adjacent
pages.
If you publish or distribute Opaque copies of the Document numbering
more than 100, you must either include a machine-readable Transparent
copy along with each Opaque copy, or state in or with each Opaque copy
a publicly-accessible computer-network location containing a complete
Transparent copy of the Document, free of added material, which the
general network-using public has access to download anonymously at no
charge using public-standard network protocols. If you use the latter
option, you must take reasonably prudent steps, when you begin
distribution of Opaque copies in quantity, to ensure that this
Transparent copy will remain thus accessible at the stated location
until at least one year after the last time you distribute an Opaque
copy (directly or through your agents or retailers) of that edition to
the public.
It is requested, but not required, that you contact the authors of the
Document well before redistributing any large number of copies, to give
them a chance to provide you with an updated version of the Document.
.SS 4. MODIFICATIONS
You may copy and distribute a Modified Version of the Document under
the conditions of sections 2 and 3 above, provided that you release
the Modified Version under precisely this License, with the Modified
Version filling the role of the Document, thus licensing distribution
and modification of the Modified Version to whoever possesses a copy
of it. In addition, you must do these things in the Modified Version:
2002-02-02 04:17:29 +05:30
2002-07-25 03:55:34 +05:30
.HP 3
.B A\fR.\ Use in the Title Page (and on the covers, if any) a title distinct
from that of the Document, and from those of previous versions (which should,
if there were any, be listed in the History section of the Document).
You may use the same title as a previous version if the original publisher of
that version gives permission.
.HP 3
.B B\fR.\ List on the Title Page, as authors, one or more persons or entities
responsible for authorship of the modifications in the Modified Version,
together with at least five of the principal authors of the Document
(all of its principal authors, if it has less than five).
.HP 3
.B C\fR.\ State on the Title page the name of the publisher of the Modified
Version, as the publisher.
.HP 3
.B D\fR.\ Preserve all the copyright notices of the Document.
.HP 3
.B E\fR.\ Add an appropriate copyright notice for your modifications adjacent
to the other copyright notices.
.HP 3
.B F\fR.\ Include, immediately after the copyright notices, a license notice
giving the public permission to use the Modified Version under the terms of
this License, in the form shown in the Addendum below.
.HP 3
.B G\fR.\ Preserve in that license notice the full lists of Invariant Sections
and required Cover Texts given in the Document's license notice.
.HP 3
.B H\fR.\ Include an unaltered copy of this License.
.HP 3
.B I\fR.\ Preserve the section entitled "History", and its title, and add to it
an item stating at least the title, year, new authors, and publisher of the
Modified Version as given on the Title Page.
If there is no section entitled "History" in the Document, create one stating
the title, year, authors, and publisher of the Document as given on its Title
Page, then add an item describing the Modified Version as stated in the
previous sentence.
.HP 3
.B J\fR.\ Preserve the network location, if any, given in the Document for
public access to a Transparent copy of the Document, and likewise the network
locations given in the Document for previous versions it was based on.
These may be placed in the "History" section.
You may omit a network location for a work that was published at least four
years before the Document itself, or if the original publisher of the version
it refers to gives permission.
.HP 3
.B K\fR.\ In any section entitled "Acknowledgements" or "Dedications", preserve
the section's title, and preserve in the section all the substance and tone of
each of the contributor acknowledgements and/or dedications given therein.
.HP 3
.B L\fR.\ Preserve all the Invariant Sections of the Document, unaltered in their
text and in their titles.
Section numbers or the equivalent are not considered part of the section titles.
.HP 3
.B M\fR.\ Delete any section entitled "Endorsements".
Such a section may not be included in the Modified Version.
.HP 3
.B N\fR.\ Do not retitle any existing section as "Endorsements" or to conflict
in title with any Invariant Section.
2002-02-02 04:17:29 +05:30
2002-07-25 03:55:34 +05:30
.PP
If the Modified Version includes new front-matter sections or
appendices that qualify as Secondary Sections and contain no material
copied from the Document, you may at your option designate some or all
of these sections as invariant. To do this, add their titles to the
list of Invariant Sections in the Modified Version's license notice.
These titles must be distinct from any other section titles.
You may add a section entitled "Endorsements", provided it contains
nothing but endorsements of your Modified Version by various
parties--for example, statements of peer review or that the text has
been approved by an organization as the authoritative definition of a
standard.
You may add a passage of up to five words as a Front-Cover Text, and a
passage of up to 25 words as a Back-Cover Text, to the end of the list
of Cover Texts in the Modified Version. Only one passage of
Front-Cover Text and one of Back-Cover Text may be added by (or
through arrangements made by) any one entity. If the Document already
includes a cover text for the same cover, previously added by you or
by arrangement made by the same entity you are acting on behalf of,
you may not add another; but you may replace the old one, on explicit
permission from the previous publisher that added the old one.
The author(s) and publisher(s) of the Document do not by this License
give permission to use their names for publicity for or to assert or
imply endorsement of any Modified Version.
.SS 5. COMBINING DOCUMENTS
You may combine the Document with other documents released under this
License, under the terms defined in section 4 above for modified
versions, provided that you include in the combination all of the
Invariant Sections of all of the original documents, unmodified, and
list them all as Invariant Sections of your combined work in its
license notice.
The combined work need only contain one copy of this License, and
multiple identical Invariant Sections may be replaced with a single
copy. If there are multiple Invariant Sections with the same name but
different contents, make the title of each such section unique by
adding at the end of it, in parentheses, the name of the original
author or publisher of that section if known, or else a unique number.
Make the same adjustment to the section titles in the list of
Invariant Sections in the license notice of the combined work.
In the combination, you must combine any sections entitled "History"
in the various original documents, forming one section entitled
"History"; likewise combine any sections entitled "Acknowledgements",
and any sections entitled "Dedications". You must delete all sections
entitled "Endorsements."
.SS 6. COLLECTIONS OF DOCUMENTS
You may make a collection consisting of the Document and other documents
released under this License, and replace the individual copies of this
License in the various documents with a single copy that is included in
the collection, provided that you follow the rules of this License for
verbatim copying of each of the documents in all other respects.
You may extract a single document from such a collection, and distribute
it individually under this License, provided you insert a copy of this
License into the extracted document, and follow this License in all
other respects regarding verbatim copying of that document.
.SS 7. AGGREGATION WITH INDEPENDENT WORKS
A compilation of the Document or its derivatives with other separate
and independent documents or works, in or on a volume of a storage or
distribution medium, does not as a whole count as a Modified Version
of the Document, provided no compilation copyright is claimed for the
compilation. Such a compilation is called an "aggregate", and this
License does not apply to the other self-contained works thus compiled
with the Document, on account of their being thus compiled, if they
are not themselves derivative works of the Document.
If the Cover Text requirement of section 3 is applicable to these
copies of the Document, then if the Document is less than one quarter
of the entire aggregate, the Document's Cover Texts may be placed on
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Otherwise they must appear on covers around the whole aggregate.
.SS 8. TRANSLATION
Translation is considered a kind of modification, so you may
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Replacing Invariant Sections with translations requires special
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original versions of these Invariant Sections. You may include a
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original English version of this License. In case of a disagreement
between the translation and the original English version of this
License, the original English version will prevail.
.SS 9. TERMINATION
You may not copy, modify, sublicense, or distribute the Document except
as expressly provided for under this License. Any other attempt to
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.SS 10. FUTURE REVISIONS OF THIS LICENSE
The Free Software Foundation may publish new, revised versions
of the GNU Free Documentation License from time to time. Such new
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differ in detail to address new problems or concerns. See
http://www.gnu.org/copyleft/.
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If the Document specifies that a particular numbered version of this
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.SS ADDENDUM: How to use this License for your documents
To use this License in a document you have written, include a copy of
the License in the document and put the following copyright and
license notices just after the title page:
.IP "" 3
Copyright (c) YEAR YOUR NAME.
Permission is granted to copy, distribute and/or modify this document under the
terms of the GNU Free Documentation License, Version 1.1 or any later version
published by the Free Software Foundation;\ \ with the Invariant Sections being
LIST THEIR TITLES, with the Front-Cover Texts being LIST, and with the
Back-Cover Texts being LIST.
A copy of the license is included in the section entitled "GNU
Free Documentation License".
If you have no Invariant Sections, write "with no Invariant Sections"
instead of saying which ones are invariant. If you have no
Front-Cover Texts, write "no Front-Cover Texts" instead of
"Front-Cover Texts being LIST"; likewise for Back-Cover Texts.
If your document contains nontrivial examples of program code, we
recommend releasing these examples in parallel under your choice of
free software license, such as the GNU General Public License,
to permit their use in free software.
.\" ----------------------------------------------------------------------
.SH \fRend of\fB GNU Free Documentation License
.IP ""
.PP
2002-10-14 03:27:07 +05:30
..
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