wall(1) - NetBSD Manual Pages

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WALL(1)                 NetBSD General Commands 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.  Support for -g was added
     in NetBSD 2.0 (from OpenBSD 2.0).

NetBSD 5.0                      March 27, 2003                      NetBSD 5.0