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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 messages.
       Reading from a file is refused when the invoker is not superuser and the program is suid or sgid.

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

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

AVAILABILITY
     The wall command is part of the util-linux-ng package and is available from ftp://ftp.ker-
     nel.org/pub/linux/utils/util-linux-ng/.




Linux 0.99                                        March 8, 1993                                                  1

				
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