Drop hurd specific dependency on libc0.3 (>= 2.3.2.ds1-12). It is
[sysvinit.git] / man / wall.1
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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