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BSD 2.11 - man page for wall (bsd section 1)

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WALL(1) 										  WALL(1)

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?
       /var/run/utmp

SEE ALSO
       mesg(1), write(1)

DIAGNOSTICS
       `Cannot send to ...' when the open on a user's tty file fails.

4th Berkeley Distribution		November 27, 1996				  WALL(1)
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