WALL(1) | General Commands Manual | WALL(1) |
wall
— write a
message to users
wall |
[-g group]
[file] |
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.
-g
A wall
command appeared in
Version 7 AT&T UNIX. Support for
-g
was added in NetBSD 2.0
(from OpenBSD 2.0).
March 27, 2003 | NetBSD 10.99 |