WALL(1,C)                   AIX Commands Reference                    WALL(1,C)



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wall



PURPOSE

Writes a message to all logged-in users.

SYNTAX


        +------+
wall ---|      |---|
        +- -L -+


DESCRIPTION

The wall command reads a message from standard input until it reaches an
end-of-file character.  It then sends the message to all logged-in users
preceded by the following heading:

  Broadcast Message from user (/machinename/dev/tty##) Day Mon dd hh:mm

To override any protections other users have set up, you must be operating with
superuser authority.  Typically, root uses wall to warn all users of an
impending system shutdown.

If you are writing a message to all logged-in users on a system on which users
have selected different character code sets for displaying text in different
languages, the message should be written using ASCII characters so that it
displays consistently for all users.

FLAG

-L      Message is not to be broadcast to users logged in to remote cluster
        sites.

FILES

/dev/tty*      Default terminal devices.

RELATED INFORMATION

See the following commands:  "mesg,"  "su," and  "write."









Processed November 8, 1990         WALL(1,C)                                  1