procps/kill.1

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'\" t
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.\" (The preceding line is a note to broken versions of man to tell
.\" them to pre-process this man page with tbl)
.\" Man page for kill.
.\" Licensed under version 2 of the GNU General Public License.
.\" Written by Albert Cahalan; converted to a man page by
.\" Michael K. Johnson
.TH KILL 1 "November 21, 1999" "Linux" "Linux User's Manual"
.SH NAME
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kill \- send a signal to a process
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.SH SYNOPSIS
\fBkill\fR [ \-\fBsignal\fR | \-s \fBsignal\fR ] \fBpid\fR ...
.br
\fBkill\fR [ \-L | -V, \-\-version ]
.br
\fBkill\fR \-l [ \fBsignal\fR ]
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.SH DESCRIPTION
The default signal for kill is TERM. Use \-l or \-L to list available signals.
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Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0.
Alternate signals may be specified in three ways: \-9 \-SIGKILL \-KILL.
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Negative PID values may be used to choose whole process groups; see the
PGID column in ps command output. A PID of \-1 is special; it indicates
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all processes except the kill process itself and init.
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.SH SIGNALS
The signals listed below may be available for use with kill.
When known constant, numbers and default behavior are shown.
.TS
lB rB lB lB
lfCW r l l.
Name Num Action Description
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0 0 n/a exit code indicates if a signal may be sent
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ALRM 14 exit
HUP 1 exit
INT 2 exit
KILL 9 exit cannot be blocked
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PIPE 13 exit
POLL exit
PROF exit
TERM 15 exit
USR1 exit
USR2 exit
VTALRM exit
STKFLT exit might not be implemented
PWR ignore might exit on some systems
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WINCH ignore
CHLD ignore
URG ignore
TSTP stop might interact with the shell
TTIN stop might interact with the shell
TTOU stop might interact with the shell
STOP stop cannot be blocked
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CONT restart continue if stopped, otherwise ignore
ABRT 6 core
FPE 8 core
ILL 4 core
QUIT 3 core
SEGV 11 core
TRAP 5 core
SYS core might not be implemented
EMT core might not be implemented
BUS core core dump might fail
XCPU core core dump might fail
XFSZ core core dump might fail
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.TE
.SH NOTES
Your shell (command line interpreter) may have a built-in kill command.
You may need to run the command described here as /bin/kill to solve
the conflict.
.SH EXAMPLES
.TP
.B kill \-9 \-1
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Kill all processes you can kill.
.TP
.B kill \-l 11
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Translate number 11 into a signal name.
.TP
.B kill -L
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List the available signal choices in a nice table.
.TP
.B kill 123 543 2341 3453
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Send the default signal, SIGTERM, to all those processes.
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.SH "SEE ALSO"
.BR pkill (1),
.BR skill (1),
.BR kill (2),
.BR renice (1),
.BR nice (1),
.BR signal (7),
.BR killall (1).
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.SH STANDARDS
This command meets appropriate standards. The \-L flag is Linux-specific.
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.SH AUTHOR
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Albert Cahalan <albert@users.sf.net> wrote kill in 1999 to replace a
bsdutils one that was not standards compliant. The util-linux one might
also work correctly.
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Please send bug reports to <procps@freelists.org>