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freebsd/bin/kill/kill.1
1996-07-03 22:19:50 +00:00

123 lines
3.6 KiB
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.\" Copyright (c) 1980, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 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.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" @(#)kill.1 8.1 (Berkeley) 5/31/93
.\" $Id: kill.1,v 1.2 1994/09/24 02:55:43 davidg Exp $
.\"
.Dd May 31, 1993
.Dt KILL 1
.Os
.Sh NAME
.Nm kill
.Nd terminate or signal a process
.Sh SYNOPSIS
.Nm kill
.Op Fl signal_name
.Ar pid
\&...
.Nm kill
.Op Fl signal_number
.Ar pid
\&...
.Nm kill
.Op Fl l
.Sh DESCRIPTION
The kill utility sends the
.Dv TERM
signal to the processes specified
by the pid operand(s).
.Pp
Only the super-user may send signals to other users' processes.
.Pp
The options are as follows:
.Pp
.Bl -tag -width Ds
.It Fl l
List the signal names.
.It Fl signal_name
A symbolic signal name specifying the signal to be sent instead of the
default
.Dv TERM .
The
.Fl l
option displays the signal names.
.It Fl signal_number
A non-negative decimal integer, specifying the signal to be sent instead
of the default
.Dv TERM .
.El
.Pp
Some of the more commonly used signals:
.Bd -ragged -offset indent -compact
.Bl -column XXX TERM
.It -1 -1 (super-user broadcast to all processes, or user broadcast
to user's processes)
.It 0 0 (sh(1) only, signals all members of process group)
.It 2 INT (interrupt)
.It 3 QUIT (quit)
.It 6 ABRT (abort)
.It 9 KILL (non-catchable, non-ignorable kill)
.It 14 ALRM (alarm clock)
.It 15 TERM (software termination signal)
.El
.Ed
.Pp
.Nm Kill
is a built-in to
.Xr csh 1 ;
it allows job specifiers of the form ``%...'' as arguments
so process id's are not as often used as
.Nm kill
arguments.
See
.Xr csh 1
for details.
.Sh SEE ALSO
.Xr csh 1 ,
.Xr killall 1 ,
.Xr ps 1 ,
.Xr kill 2 ,
.Xr sigvec 2
.Sh HISTORY
A
.Nm kill
command appeared in
.At v6 .
.Sh BUGS
A replacement for the command
.Dq Li kill 0
for
.Xr csh 1
users should be provided.