Manual page for WALL(1)
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.
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97
