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WALL(1)			    General Commands Manual		       WALL(1)

NAME
       wall -- write a message to users

SYNOPSIS
       wall [-g	group] [file]

DESCRIPTION
       The  wall  utility  displays  the  contents of file or, by default, its
       standard	input, on the terminals	of all currently logged	in users.

       Only the	super-user can write on	the terminals of users who have	chosen
       to deny messages	or are using a program which automatically denies mes-
       sages.

       -g      Send messages to	users in this group.  This option may be spec-
	       ified multiple times, and any user  in  any  of	the  specified
	       groups will receive the message.

SEE ALSO
       mesg(1),	talk(1), write(1), shutdown(8)

HISTORY
       A wall command appeared in PWB UNIX.

BUGS
       The sender's LC_CTYPE setting is	used to	determine which	characters are
       safe  to	write to a terminal, not the receiver's	(which wall has	no way
       of knowing).

FreeBSD	14.3		       February	24, 2012		       WALL(1)

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