Copyright (c) 1980 Regents of the University of California.
All rights reserved. The Berkeley software License Agreement
specifies the terms and conditions for redistribution.
@(#)wall.1 4.1 (Berkeley) 04/29/85
All rights reserved. The Berkeley software License Agreement
specifies the terms and conditions for redistribution.
@(#)wall.1 4.1 (Berkeley) 04/29/85
WALL 1
C 4 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?
"SEE ALSO"
mesg(1), write(1)
DIAGNOSTICS
`Cannot send to ...' when the open on
a user's tty file fails.