xref: /original-bsd/usr.bin/wall/wall.1 (revision 87a44d1b)
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 6.2 (Berkeley) 09/18/88

WALL 1 ""
C 4
NAME
wall - write to all users
SYNOPSIS
wall [file]
DESCRIPTION
Wall reads file or, by default, the 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), shutdown(8)