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1 | '\" -*- coding: UTF-8 -*- |
2 | .\" Copyright (C) 1998-2003 Miquel van Smoorenburg. | |
3 | .\" | |
4 | .\" This program is free software; you can redistribute it and/or modify | |
5 | .\" it under the terms of the GNU General Public License as published by | |
6 | .\" the Free Software Foundation; either version 2 of the License, or | |
7 | .\" (at your option) any later version. | |
8 | .\" | |
9 | .\" This program is distributed in the hope that it will be useful, | |
10 | .\" but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | .\" GNU General Public License for more details. | |
13 | .\" | |
14 | .\" You should have received a copy of the GNU General Public License | |
15 | .\" along with this program; if not, write to the Free Software | |
16 | .\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | .\" | |
18 | .TH WALL 1 "15 April 2003" "" "Linux User's Manual" | |
19 | ||
20 | .SH NAME | |
21 | wall -- send a message to everybody's terminal. | |
22 | ||
23 | .SH SYNOPSIS | |
24 | .B wall | |
25 | .RB [ \-n ] | |
26 | .RB [ " message " ] | |
27 | ||
28 | .SH DESCRIPTION | |
29 | .B Wall | |
30 | sends a message to everybody logged in with their | |
31 | .IR mesg (1) | |
32 | permission | |
33 | set to | |
34 | .BR yes . | |
35 | The message can be given as an argument to | |
36 | .IR wall , | |
37 | or it can be sent to | |
38 | .IR wall 's | |
39 | standard input. When using the standard input from a terminal, | |
40 | the message should be terminated with the | |
41 | .B EOF | |
42 | key (usually Control-D). | |
43 | .PP | |
44 | The length of the message is limited to 20 lines. | |
45 | For every invocation of | |
46 | .I wall | |
47 | a notification will be written to syslog, with facility | |
48 | .B LOG_USER | |
49 | and level | |
50 | .BR LOG_INFO . | |
51 | ||
52 | .SH OPTIONS | |
53 | .IP \fB\-n\fn | |
54 | Suppresses the normal banner printed by | |
55 | .IR wall , | |
56 | changing it to "Remote broadcast message". | |
57 | This option is only available for root if | |
58 | .I wall | |
59 | is installed set-group-id, and is used by | |
60 | .IR rpc.walld (8). | |
61 | .PP | |
62 | ||
63 | .SH ENVIRONMENT | |
64 | .I Wall | |
65 | ignores the | |
66 | .B TZ | |
67 | variable - the time printed in the banner is based on the system's | |
68 | local time. | |
69 | ||
70 | .SH SEE ALSO | |
71 | .IR mesg (1), | |
72 | .IR rpc.rwalld (8). | |
73 | ||
74 | .SH AUTHOR | |
75 | Miquel van Smoorenburg, miquels@cistron.nl |