107 lines
2.6 KiB
Groff
107 lines
2.6 KiB
Groff
'\" t
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.\" (The preceding line is a note to broken versions of man to tell
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.\" them to pre-process this man page with tbl)
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.\" Man page for kill.
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.\" Licensed under version 2 of the GNU General Public License.
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.\" Written by Albert Cahalan; converted to a man page by
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.\" Michael K. Johnson
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.TH KILL 1 "October 2011" "procps-ng" "User Commands"
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.SH NAME
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kill \- send a signal to a process
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.SH SYNOPSIS
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.B kill
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[options] <pid> [...]
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.SH DESCRIPTION
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The default signal for kill is TERM. Use
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.B \-l
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or
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.B \-L
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to list available signals. Particularly useful signals include HUP,
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INT, KILL, STOP, CONT, and 0. Alternate signals may be specified in
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three ways:
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.BR \-9 ", " \-SIGKILL
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or
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.BR \-KILL .
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Negative PID values may be used to choose whole process groups; see
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the PGID column in ps command output. A PID of
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.B \-1
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is special; it indicates all processes except the kill process itself
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and init.
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.SH OPTIONS
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.TP
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.B <pid> [...]
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Send signal to every <pid> listed.
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.TP
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.B \-<signal>
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.TQ
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.B \-s <signal>
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.TQ
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.B \-\-signal <signal>
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Specify the
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.B signal
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to be sent. The signal can be specified by using name or number.
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The behavior of signals is explained in
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.BR signal (7)
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manual page.
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.TP
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\fB\-q\fR, \fB\-\-queue \fIvalue\fP
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Use
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.BR sigqueue(3)
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rather than
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.BR kill(2)
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and the value argument is used to specify
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an integer to be sent with the signal. If the receiving process has
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installed a handler for this signal using the SA_SIGINFO flag to
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.BR sigaction(2)
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, then it can obtain this data via the si_value field of the
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siginfo_t structure.
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.TP
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\fB\-l\fR, \fB\-\-list\fR [\fIsignal\fR]
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List signal names. This option has optional argument, which
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will convert signal number to signal name, or other way round.
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.TP
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.BR \-L , \ \-\-table
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List signal names in a nice table.
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.TP
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.PD
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.SH NOTES
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Your shell (command line interpreter) may have a built-in kill
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command. You may need to run the command described here as /bin/kill
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to solve the conflict.
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.SH EXAMPLES
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.TP
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.B kill \-9 \-1
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Kill all processes you can kill.
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.TP
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.B kill \-l 11
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Translate number 11 into a signal name.
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.TP
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.B kill -L
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List the available signal choices in a nice table.
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.TP
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.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"
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.BR kill (2),
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.BR killall (1),
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.BR nice (1),
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.BR pkill (1),
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.BR renice (1),
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.BR signal (7),
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.BR sigqueue (3),
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.BR skill (1)
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.SH STANDARDS
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This command meets appropriate standards. The
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.B \-L
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flag is Linux-specific.
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.SH AUTHOR
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.UR albert@users.sf.net
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Albert Cahalan
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.UE
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wrote kill in 1999 to replace a bsdutils one that was not standards
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compliant. The util-linux one might also work correctly.
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.SH "REPORTING BUGS"
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Please send bug reports to
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.UR procps@freelists.org
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.UE
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