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.\" @(#)kill.1 8.2 (Berkeley) 4/28/95 36.\" $Id: kill.1,v 1.7 1998/05/13 07:47:33 charnier Exp $ 37.\" 38.Dd April 28, 1995 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 62.Nm 63utility sends a signal to the processes specified by the pid operand(s). 64.Pp 65Only the super-user may send signals to other users' processes. 66.Pp 67The options are as follows: 68.Pp 69.Bl -tag -width Ds 70.It Fl s Ar signal_name 71A symbolic signal name specifying the signal to be sent instead of the 72default 73.Dv TERM . 74.It Fl l Op Ar exit_status 75If no operand is given, list the signal names; otherwise, write 76the signal name corresponding to 77.Ar exit_status . 78.It Fl signal_name 79A symbolic signal name specifying the signal to be sent instead of the 80default 81.Dv TERM . 82.It Fl signal_number 83A non-negative decimal integer, specifying the signal to be sent instead 84of the default 85.Dv TERM . 86.El 87.Pp 88The following pids have special meanings: 89.Bl -tag -width Ds -compact 90.It -1 91If superuser, broadcast the signal to all processes; otherwise broadcast 92to all processes belonging to the user. 93.El 94.Pp 95Some of the more commonly used signals: 96.Bl -tag -width Ds -compact 97.It 1 98HUP (hang up) 99.It 2 100INT (interrupt) 101.It 3 102QUIT (quit) 103.It 6 104ABRT (abort) 105.It 9 106KILL (non-catchable, non-ignorable kill) 107.It 14 108ALRM (alarm clock) 109.It 15 110TERM (software termination signal) 111.El 112.Pp 113.Nm Kill 114is a built-in to 115.Xr csh 1 ; 116it allows job specifiers of the form ``%...'' as arguments 117so process id's are not as often used as 118.Nm 119arguments. 120See 121.Xr csh 1 122for details. 123.Sh SEE ALSO 124.Xr csh 1 , 125.Xr killall 1 , 126.Xr ps 1 , 127.Xr kill 2 , 128.Xr sigaction 2 129.Sh STANDARDS 130The 131.Nm 132function is expected to be 133.St -p1003.2 134compatible. 135.Sh HISTORY 136A 137.Nm 138command appeared in 139.At v6 . 140.Sh BUGS 141A replacement for the command 142.Dq Li kill 0 143for 144.Xr csh 1 145users should be provided. 146