NAME
wall —
write a message to users
SYNOPSIS
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 messages.
-
-
- -g
- Send messages to users in this group. This option may be
specified 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).