WALL(1)                    OpenBSD Reference Manual                    WALL(1)

NAME
     wall - write a message to users



SYNOPSIS
     wall [-g group] [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.

     -g      Send messages to users in this group.  This option may be speci-
             fied 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 Version 7 AT&T UNIX.

OpenBSD 2.6                      June 6, 1993                                1