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Kills processes by name instead of by UID. (Man page by me.) Submitted by: wosch@cs.tu-berlin.de (Wolfram Schneider)
131 lines
4.0 KiB
Groff
131 lines
4.0 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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.\" $Id$
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.\"
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.Dd June 25, 1995
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.Os FreeBSD 2.2
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.Dt KILLALL 1
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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 killall
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.Op Fl d \&| Ns Fl v
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.Op Fl h \&| Ns Fl \&?
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.Op Fl help
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.Op Fl l
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.Op Fl m
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.Op Fl s
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.Op Fl SIGNAL
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.Ar procname
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.Sh DESCRIPTION
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.Nm Killall
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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 an effective 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 10n -offset indent
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.It Fl d \&| Ns Fl v
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Be more verbose about what will be done. 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. If the option
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.Fl d
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has been specified at least twice, the effective UID, PID, and name
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of all processes found in
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.Xr procfs 5
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will be listed in addition.
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.It Fl h \&| Ns Fl \&?
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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 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 insensitive) regular expression against the names
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of processes found in
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.Xr procfs 5 .
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CAUTION! This is dangerous, a single dot will match any process
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running under the effective UID of the caller. The regular expression
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syntax in effect is that used by
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.Xr perl 1 .
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.It Fl s
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Show only what would be done, but do net send any signal.
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.It Fl 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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.Pq with \&or without a leading Dv SIG ,
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or numerically.
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.El
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.Sh DIAGNOSTICS
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The
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.Nm
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command will respond with a short usage message and exit with a status
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of 2 in case of a command error. A status of 1 will be returned if
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either no matching process has been found or not all processes have
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been signalled succesfully. Otherwise, a status of 0 will be
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returned.
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.Pp
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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 perl 1 ,
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.Xr procfs 5 .
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.Sh HISTORY
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The
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.Nm
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command appeared in FreeBSD 2.2. It has been featured after the
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.Nm
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command as available on other platforms.
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.Sh AUTHOR
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The program has been contributed by Wolfram Schneider, this manual
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page has been written by
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.if n Joerg Wunsch.
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.if t J\(:org Wunsch.
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.Sh BUGS
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Due to limitations in the current implementation of
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.Xr procfs 5 ,
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it is only possible to figure out the effective UID of a process.
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Hence it is impossible to find processes that run setuid, thus a
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regular user will not be able to use
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.Nm
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to send signals to such processes.
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