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Command: wall | Section: 1 | Source: MINIX | File: wall.1
WALL(1) FreeBSD 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
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).
FreeBSD 14.1-RELEASE-p8 March 27, 2003 FreeBSD 14.1-RELEASE-p8