WALL
Section: User Commands (1)
Updated: April 29, 1985
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NAME
wall - write to all users
SYNOPSIS
wall
DESCRIPTION
Wall
reads its standard input until an end-of-file.
It then sends this message,
preceded by
`Broadcast Message ...',
to all logged in users.
The sender should be super-user to override
any protections the users may have invoked.
FILES
/dev/tty?
/etc/utmp
SEE ALSO
mesg(1), write(1)
DIAGNOSTICS
`Cannot send to ...' when the open on
a user's tty file fails.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- FILES
-
- SEE ALSO
-
- DIAGNOSTICS
-
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