DragonFly On-Line Manual Pages
WALL(1) DragonFly General Commands Manual WALL(1)
wall -- write a message to users
wall [-g group] [file]
The wall utility displays the contents of file or, by default, its stan-
dard 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-
-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.
mesg(1), talk(1), write(1), shutdown(8)
A wall command appeared in PWB UNIX.
DragonFly 3.7 June 6, 1993 DragonFly 3.7