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wall(1) -- Linux man page
NAME
wall -- send a message to everybody's terminal.
SYNOPSIS
wall
[-n]
[ message ]
DESCRIPTION
Wall
sends a message to everybody logged in with their
mesg(1)
permission
set to
yes.
The message can be given as an argument to
wall,
or it can be sent to
wall's
standard input. When using the standard input from a terminal,
the message should be terminated with the
EOF
key (usually Control-D).
The length of the message is limited to 20 lines.
For every invocation of
wall
a notification will be written to syslog, with facility
LOG_USER
and level
LOG_INFO.
OPTIONS
- -n
-
Suppresses the normal banner printed by
wall,
changing it to "Remote broadcast message".
This option is only available for root if
wall
is installed set-group-id, and is used by
rpc.walld(8).
ENVIRONMENT
Wall
ignores the
TZ
variable - the time printed in the banner is based on the systems
local time.
SEE ALSO
mesg(1),
rpc.rwalld(8).
AUTHOR
Miquel van Smoorenburg, miquels@cistron.nl
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