wall man page on 4.4BSD

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WALL(1)			  BSD General Commands Manual		       WALL(1)

NAME
     wall — write a message to users

SYNOPSIS
     wall [file]

DESCRIPTION
     Wall 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.

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

HISTORY
     A wall command appeared in Version 7 AT&T UNIX.

4th Berkeley Distribution	 June 6, 1993	     4th Berkeley Distribution
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