2009-09-10 13:58:49 +05:30
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'\" -*- coding: UTF-8 -*-
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.\" Copyright (C) 1998-2003 Miquel van Smoorenburg.
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.\"
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.\" This program is free software; you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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.\" the Free Software Foundation; either version 2 of the License, or
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.\" (at your option) any later version.
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.\"
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.\" This program is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License
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.\" along with this program; if not, write to the Free Software
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.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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.\"
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.TH WALL 1 "15 April 2003" "" "Linux User's Manual"
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.SH NAME
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wall -- send a message to everybody's terminal.
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.SH SYNOPSIS
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.B wall
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.RB [ \-n ]
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.RB [ " message " ]
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.SH DESCRIPTION
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.B Wall
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sends a message to everybody logged in with their
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.IR mesg (1)
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permission
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set to
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.BR yes .
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The message can be given as an argument to
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.IR wall ,
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or it can be sent to
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.IR wall 's
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standard input. When using the standard input from a terminal,
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the message should be terminated with the
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.B EOF
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key (usually Control-D).
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.PP
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The length of the message is limited to 20 lines.
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For every invocation of
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.I wall
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a notification will be written to syslog, with facility
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.B LOG_USER
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and level
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.BR LOG_INFO .
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.SH OPTIONS
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2019-03-04 03:02:28 +05:30
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.IP \fB\-n\fP
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2009-09-10 13:58:49 +05:30
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Suppresses the normal banner printed by
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.IR wall ,
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changing it to "Remote broadcast message".
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This option is only available for root if
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.I wall
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is installed set-group-id, and is used by
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.IR rpc.walld (8).
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.PP
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.SH ENVIRONMENT
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.I Wall
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ignores the
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.B TZ
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variable - the time printed in the banner is based on the system's
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local time.
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.SH SEE ALSO
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.IR mesg (1),
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.IR rpc.rwalld (8).
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.SH AUTHOR
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Miquel van Smoorenburg, miquels@cistron.nl
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