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.\" Copyright (C) 1995 by Joerg Wunsch, Dresden
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd April 8, 2003
.Os
.Dt KILLALL 1
.Sh NAME
.Nm killall
.Nd kill processes by name
.Sh SYNOPSIS
.Nm
.Op Fl d | v
.Op Fl h | ?\&
.Op Fl help
.Op Fl l
.Op Fl m
.Op Fl s
.Op Fl z
.Op Fl j Ar jid
.Op Fl u Ar user
.Op Fl t Ar tty
.Op Fl c Ar procname
.Op Fl SIGNAL
.Op Ar procname ...
.Sh DESCRIPTION
The
.Nm
utility kills processes selected by name, as opposed to the selection by pid
as done by
.Xr kill 1 .
By default, it will send a
.Dv TERM
signal to all processes with a real UID identical to the
caller of
.Nm
that match the name
.Ar procname .
The super-user is allowed to kill any process.
.Pp
The options are as follows:
.Bl -tag -width 10n -offset indent
.It Fl d | v
Be more verbose about what will be done. For a single
.Fl d
option, a list of the processes that will be sent the signal will be
printed, or a message indicating that no matching processes have been
found.
.It Fl h | ?\&
.It Fl help
Give a help on the command usage and exit.
.It Fl l
List the names of the available signals and exit, like in
.Xr kill 1 .
.It Fl m
Match the argument
.Ar procname
as a (case insensitive) regular expression against the names
of processes found.
CAUTION! This is dangerous, a single dot will match any process
running under the real UID of the caller.
.It Fl s
Show only what would be done, but do not send any signal.
.It Fl SIGNAL
Send a different signal instead of the default
.Dv TERM .
The signal may be specified either as a name
(with or without a leading
.Dv SIG ) ,
or numerically.
.It Fl j Ar jid
Kill processes in the jail specified by
.Ar jid .
.It Fl u Ar user
Limit potentially matching processes to those belonging to
the specified
.Ar user .
.It Fl t Ar tty
Limit potentially matching processes to those running on
the specified
.Ar tty .
.It Fl c Ar procname
When used with the
.Fl u
or
.Fl t
flags, limit potentially matching processes to those matching
the specified
.Ar procname .
.It Fl z
Do not skip zombies.
This should not have any effect except to print a few error messages
if there are zombie processes that match the specified pattern.
.El
.Sh ALL PROCESSES
Sending a signal to all processes with uid
.Em XYZ
is already supported by
.Xr kill 1 .
So use
.Xr kill 1
for this job (e.g. $ kill -TERM -1 or
as root $ echo kill -TERM -1 | su -m <user>)
.Sh DIAGNOSTICS
The
.Nm
command will respond with a short usage message and exit with a status
of 2 in case of a command error. A status of 1 will be returned if
either no matching process has been found or not all processes have
been signalled successfully. Otherwise, a status of 0 will be
returned.
.Pp
Diagnostic messages will only be printed if requested by
.Fl d
options.
.Sh SEE ALSO
.Xr kill 1 ,
.Xr sysctl 3 ,
.Xr jail 8
.Sh HISTORY
The
.Nm
command appeared in
.Fx 2.1 .
It has been modeled after the
.Nm
command as available on other platforms.
.Sh AUTHORS
.An -nosplit
The
.Nm
program was originally written in Perl and was contributed by
.An Wolfram Schneider ,
this manual page has been written by
.An J\(:org Wunsch .
The current version of
.Nm
was rewritten in C by
.An Peter Wemm
using
.Xr sysctl 3 .
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