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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 | |
c0fcf4e1 | 36 | .\" $FreeBSD: src/bin/kill/kill.1,v 1.11.2.1 2000/12/08 13:34:35 ru Exp $ |
44bd5ea7 A |
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 | |
46 | .Op Fl s Ar signal_name | |
47 | .Ar pid | |
48 | \&... | |
c0fcf4e1 | 49 | .Nm |
44bd5ea7 A |
50 | .Fl l |
51 | .Op Ar exit_status | |
c0fcf4e1 | 52 | .Nm |
44bd5ea7 A |
53 | .Fl signal_name |
54 | .Ar pid | |
55 | \&... | |
c0fcf4e1 | 56 | .Nm |
44bd5ea7 A |
57 | .Fl signal_number |
58 | .Ar pid | |
59 | \&... | |
60 | .Sh DESCRIPTION | |
c0fcf4e1 A |
61 | The |
62 | .Nm | |
63 | utility sends a signal to the processes specified by the pid operand(s). | |
44bd5ea7 A |
64 | .Pp |
65 | Only the super-user may send signals to other users' processes. | |
66 | .Pp | |
67 | The options are as follows: | |
68 | .Pp | |
69 | .Bl -tag -width Ds | |
70 | .It Fl s Ar signal_name | |
71 | A symbolic signal name specifying the signal to be sent instead of the | |
72 | default | |
73 | .Dv TERM . | |
74 | .It Fl l Op Ar exit_status | |
75 | If no operand is given, list the signal names; otherwise, write | |
76 | the signal name corresponding to | |
77 | .Ar exit_status . | |
78 | .It Fl signal_name | |
79 | A symbolic signal name specifying the signal to be sent instead of the | |
80 | default | |
81 | .Dv TERM . | |
82 | .It Fl signal_number | |
83 | A non-negative decimal integer, specifying the signal to be sent instead | |
84 | of the default | |
85 | .Dv TERM . | |
86 | .El | |
87 | .Pp | |
88 | The following pids have special meanings: | |
89 | .Bl -tag -width Ds -compact | |
90 | .It -1 | |
91 | If superuser, broadcast the signal to all processes; otherwise broadcast | |
92 | to all processes belonging to the user. | |
93 | .El | |
94 | .Pp | |
95 | Some of the more commonly used signals: | |
96 | .Bl -tag -width Ds -compact | |
97 | .It 1 | |
98 | HUP (hang up) | |
99 | .It 2 | |
100 | INT (interrupt) | |
101 | .It 3 | |
102 | QUIT (quit) | |
103 | .It 6 | |
104 | ABRT (abort) | |
105 | .It 9 | |
106 | KILL (non-catchable, non-ignorable kill) | |
107 | .It 14 | |
108 | ALRM (alarm clock) | |
109 | .It 15 | |
110 | TERM (software termination signal) | |
111 | .El | |
112 | .Pp | |
c0fcf4e1 | 113 | Some shells may provide a builtin |
44bd5ea7 | 114 | .Nm |
c0fcf4e1 A |
115 | command which is similar or identical to this utility. |
116 | Consult the | |
117 | .Xr builtin 1 | |
118 | manual page. | |
44bd5ea7 | 119 | .Sh SEE ALSO |
c0fcf4e1 | 120 | .Xr builtin 1 , |
44bd5ea7 | 121 | .Xr csh 1 , |
c0fcf4e1 | 122 | .Xr killall 1 , |
44bd5ea7 A |
123 | .Xr ps 1 , |
124 | .Xr kill 2 , | |
125 | .Xr sigaction 2 | |
126 | .Sh STANDARDS | |
127 | The | |
128 | .Nm | |
129 | function is expected to be | |
130 | .St -p1003.2 | |
131 | compatible. | |
132 | .Sh HISTORY | |
133 | A | |
134 | .Nm | |
135 | command appeared in | |
136 | .At v6 . | |
137 | .Sh BUGS | |
138 | A replacement for the command | |
139 | .Dq Li kill 0 | |
140 | for | |
141 | .Xr csh 1 | |
142 | users should be provided. |