WALL(1M)						 WALL(1M)

NAME
       wall  -	write to all users

SYNOPSIS
       /etc/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 protec-
       tions 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.

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