11049a7c98
Mention long options, and new options, in manual page. Signed-off-by: Sami Kerola <kerolasa@iki.fi>
87 lines
2.2 KiB
Groff
87 lines
2.2 KiB
Groff
.\" -*-Nroff-*-
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.\" This page Copyright (C) 1993 Matt Welsh, mdw@sunsite.unc.edu.
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.\" Long options where added at April 15th, 2011.
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.\" Freely distributable under the terms of the GPL
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.TH FREE 1 "15 Apr 2011 " "Cohesive Systems" "Linux User's Manual"
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.SH NAME
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free \- Display amount of free and used memory in the system
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.SH SYNOPSIS
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.B free
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.RB [ options ]
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.SH DESCRIPTION
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\fBfree\fP displays the total amount of free and used physical and swap
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memory in the system, as well as the buffers used by the kernel.
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The shared memory column should be ignored; it is obsolete.
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.SS OPTIONS
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.TP
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\fB\-b, \-\-bytes\fR
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Display the amount of memory in bytes.
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.TP
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\fB\-k, \-\-kilo\fR
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Display the amount of memory in kilobytes. This is the default.
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.TP
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\fB\-m, \-\-mega\fR
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Display the amount of memory in megabytes.
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.TP
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\fB\-g, \-\-giga\fR
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Display the amount of memory in gigabytes.
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.TP
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\fB\-\-tera
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Display the amount of memory in terabytes.
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.TP
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\fB\-h, \-\-human\fP
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Show all output fields automatically scaled to shortest three
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digit unit and display the units of print out. Following units
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are used.
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.nf
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B = bytes
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K = kilos
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M = megas
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G = gigas
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T = teras
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.fi
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If unit is missing, and you have petabyte of RAM or swap, the
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number is in terabytes and columns might not be aligned with
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header.
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.TP
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\fB\-c, \-\-count\fR \fICOUNT\fR
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Display the result \fIcount\fR times. Requires the \fB\-s\fR option.
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.TP
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\fB\-l, \-\-lohi\fR
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Show detailed low and high memory statistics.
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.TP
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\fB\-o, \-\-old\fR
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Display the output in old format, the only difference being this option
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will disable the display of the "buffer adjusted" line.
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.TP
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\fB\-s, \-\-seconds\fR \fISECONDS\fR
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Continuously display the result \fIdelay\fP seconds apart. You
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may actually specify any floating point number for \fIdelay\fP,
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.BR usleep (3)
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is used for microsecond resolution delay times.
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.TP
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\fB\-\-si\fP
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Use power of 1000 not 1024.
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.TP
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\fB\-t, \-\-total\fR
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Display a line showing the column totals.
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.TP
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\fB\-\-help\fP
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Print help.
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.TP
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\fB\-V, \-\-version\fR
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Display version information.
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.SH FILES
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.nf
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/proc/meminfo memory information
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.fi
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.SH AUTHORS
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Written by Brian Edmonds.
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Send bug reports to <procps@freelists.org>
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.SH "SEE ALSO"
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.BR ps "(1), " slabtop "(1), " top "(1), " vmstat (8).
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.\"{{{}}}
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