add -a flag

[unix-history] / usr / src / usr.bin / wall / wall.1

diff --git a/usr/src/usr.bin/wall/wall.1 b/usr/src/usr.bin/wall/wall.1
index 71b2cb8..9261e6f 100644 (file)
--- a/usr/src/usr.bin/wall/wall.1
+++ b/usr/src/usr.bin/wall/wall.1
@@ -2,7 +2,7 @@
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"
 .\" All rights reserved.  The Berkeley software License Agreement
 .\" specifies the terms and conditions for redistribution.
 .\"

-.\"    @(#)wall.1      6.1 (Berkeley) %G%
+.\"    @(#)wall.1      6.2 (Berkeley) %G%

 .\"
 .TH WALL 1 ""
 .UC 4
 .\"
 .TH WALL 1 ""
 .UC 4


@@ -10,22 +10,20 @@
 wall \- write to all users
 .SH SYNOPSIS
 .B wall
 wall \- write to all users
 .SH SYNOPSIS
 .B wall

+[file]

 .SH DESCRIPTION
 .I Wall
 .SH DESCRIPTION
 .I Wall

-reads its standard input until an end-of-file.
-It then sends this message,
-preceded by
-`Broadcast Message ...',
+reads
+.I file
+or, by default, the standard input, until an end-of-file.
+It then sends this message, preceded by ``Broadcast Message ...'',

 to all logged in users.
 .PP
 to all logged in users.
 .PP

-The sender should be super-user to override
-any protections the users may have invoked.
+The sender should be super-user to override any protections the
+users may have invoked.

 .SH FILES
 /dev/tty?
 .br
 /etc/utmp
 .SH "SEE ALSO"
 .SH FILES
 /dev/tty?
 .br
 /etc/utmp
 .SH "SEE ALSO"

-mesg(1), write(1)
-.SH DIAGNOSTICS
-`Cannot send to ...' when the open on
-a user's tty file fails.
+mesg(1), write(1), shutdown(8)