1.\" Copyright (c) 1980, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the Institute of Electrical and Electronics Engineers, Inc. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" from: @(#)kill.1 8.1 (Berkeley) 5/31/93 36.\" $Id: kill.1,v 1.6 1994/09/22 09:25:26 mycroft Exp $ 37.\" 38.Dd May 31, 1993 39.Dt KILL 1 40.Os 41.Sh NAME 42.Nm kill 43.Nd terminate or signal a process 44.Sh SYNOPSIS 45.Nm kill 46.Op Fl s Ar signal_name 47.Ar pid 48\&... 49.Nm kill 50.Fl l 51.Op Ar exit_status 52.Nm kill 53.Fl signal_name 54.Ar pid 55\&... 56.Nm kill 57.Fl signal_number 58.Ar pid 59\&... 60.Sh DESCRIPTION 61The kill utility sends a signal to the processes specified 62by the pid operand(s). 63.Pp 64Only the super-user may send signals to other users' processes. 65.Pp 66The options are as follows: 67.Pp 68.Bl -tag -width Ds 69.It Fl s Ar signal_name 70A symbolic signal name specifying the signal to be sent instead of the 71default 72.Dv TERM . 73.It Fl l Op Ar exit_status 74If no operand is given, list the signal names; otherwise, write 75the signal name corresponding to 76.Ar exit_status . 77.It Fl signal_name 78A symbolic signal name specifying the signal to be sent instead of the 79default 80.Dv TERM . 81.It Fl signal_number 82A non-negative decimal integer, specifying the signal to be sent instead 83of the default 84.Dv TERM . 85.El 86.Pp 87The following pids have special meanings: 88.Bl -tag -width Ds -compact 89.It -1 90If superuser, broadcast the signal to all processes; otherwise broadcast 91to all processes belonging to the user. 92.El 93.Pp 94Some of the more commonly used signals: 95.Bl -tag -width Ds -compact 96.It 1 97HUP (hang up) 98.It 2 99INT (interrupt) 100.It 3 101QUIT (quit) 102.It 6 103ABRT (abort) 104.It 9 105KILL (non-catchable, non-ignorable kill) 106.It 14 107ALRM (alarm clock) 108.It 15 109TERM (software termination signal) 110.El 111.Pp 112.Nm Kill 113is a built-in to 114.Xr csh 1 ; 115it allows job specifiers of the form ``%...'' as arguments 116so process id's are not as often used as 117.Nm kill 118arguments. 119See 120.Xr csh 1 121for details. 122.Sh SEE ALSO 123.Xr csh 1 , 124.Xr ps 1 , 125.Xr kill 2 , 126.Xr sigvec 2 127.Sh STANDARDS 128The 129.Nm kill 130function is expected to be 131.St -p1003.2 132compatible. 133.Sh HISTORY 134A 135.Nm kill 136command appeared in 137.At v6 . 138.Sh BUGS 139A replacement for the command 140.Dq Li kill 0 141for 142.Xr csh 1 143users should be provided. 144