fdd0a4cf93
Man-page text provided by wblock. PR: bin/30542 Submitted by: Tony Finch <dot@dotat.at> (original version) MFC after: 1 week
179 lines
4.7 KiB
Groff
179 lines
4.7 KiB
Groff
.\" Copyright (C) 1995 by Joerg Wunsch, Dresden
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 30, 2013
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.Dt KILLALL 1
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.Os
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.Sh NAME
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.Nm killall
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.Nd kill processes by name
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.Sh SYNOPSIS
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.Nm
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.Op Fl delmsvz
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.Op Fl help
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.Op Fl I
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.Op Fl j Ar jail
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.Op Fl u Ar user
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.Op Fl t Ar tty
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.Op Fl c Ar procname
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.Op Fl Ar SIGNAL
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.Op Ar procname ...
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.Sh DESCRIPTION
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The
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.Nm
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utility kills processes selected by name, as opposed to the selection by PID
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as done by
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.Xr kill 1 .
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By default, it will send a
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.Dv TERM
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signal to all processes with a real UID identical to the
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caller of
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.Nm
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that match the name
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.Ar procname .
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The super-user is allowed to kill any process.
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.Pp
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The options are as follows:
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.Bl -tag -width ".Fl c Ar procname"
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.It Fl d | v
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Be more verbose about what will be done.
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For a single
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.Fl d
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option, a list of the processes that will be sent the signal will be
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printed, or a message indicating that no matching processes have been
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found.
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.It Fl e
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Use the effective user ID instead of the (default) real user ID for matching
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processes specified with the
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.Fl u
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option.
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.It Fl help
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Give a help on the command usage and exit.
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.It Fl I
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Request confirmation before attempting to signal each
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process.
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.It Fl l
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List the names of the available signals and exit, like in
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.Xr kill 1 .
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.It Fl m
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Match the argument
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.Ar procname
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as a (case sensitive) regular expression against the names
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of processes found.
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CAUTION!
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This is dangerous, a single dot will match any process
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running under the real UID of the caller.
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.It Fl s
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Show only what would be done, but do not send any signal.
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.It Fl Ar SIGNAL
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Send a different signal instead of the default
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.Dv TERM .
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The signal may be specified either as a name
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(with or without a leading
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.Dq Li SIG ) ,
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or numerically.
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.It Fl j Ar jail
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Kill processes in the specified
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.Ar jail .
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.It Fl u Ar user
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Limit potentially matching processes to those belonging to
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the specified
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.Ar user .
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.It Fl t Ar tty
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Limit potentially matching processes to those running on
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the specified
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.Ar tty .
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.It Fl c Ar procname
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Limit potentially matching processes to those matching
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the specified
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.Ar procname .
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.It Fl q
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Suppress error message if no processes are matched.
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.It Fl z
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Do not skip zombies.
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This should not have any effect except to print a few error messages
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if there are zombie processes that match the specified pattern.
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.El
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.Sh ALL PROCESSES
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Sending a signal to all processes with the given UID
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is already supported by
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.Xr kill 1 .
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So use
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.Xr kill 1
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for this job (e.g.\&
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.Dq Li "kill -TERM -1"
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or as root
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.Dq Li "echo kill -TERM -1 | su -m <user>" ) .
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.Sh IMPLEMENTATION NOTES
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This
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.Fx
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implementation of
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.Nm
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has completely different semantics as compared to the traditional
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.Ux
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System V behavior of
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.Nm .
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The latter will kill all processes that the current user is able to
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kill, and is intended to be used by the system shutdown process only.
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.Sh EXIT STATUS
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The
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.Nm
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utility exits 0 if some processes have been found and
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signalled successfully.
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Otherwise, a status of 1 will be
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returned.
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.Sh DIAGNOSTICS
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Diagnostic messages will only be printed if requested by
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.Fl d
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options.
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.Sh SEE ALSO
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.Xr kill 1 ,
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.Xr pkill 1 ,
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.Xr sysctl 3 ,
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.Xr jail 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Fx 2.1 .
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It has been modeled after the
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.Nm
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command as available on other platforms.
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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program was originally written in Perl and was contributed by
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.An Wolfram Schneider ,
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this manual page has been written by
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.An J\(:org Wunsch .
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The current version of
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.Nm
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was rewritten in C by
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.An Peter Wemm
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using
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.Xr sysctl 3 .
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