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Manual page for WALL(1)

wall - write to all users logged in

SYNOPSIS

wall [ -a ] [ filename ]

DESCRIPTION

wall reads the standard input until an EOF. It then sends this message, preceded by `Broadcast Message ...', to all logged in users. If filename is given, then the message is read in from that file. Normally, pseudo-terminals that do not correspond to rlogin sessions are ignored. Thus when in sunview.1 the message appears only on the console window. However, -a will send the message even to such pseudo-terminals.

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

FILES

/dev/tty?
/etc/utmp

SEE ALSO

mesg.1 sunview.1 write.1

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Created by unroff & hp-tools. © somebody (See intro for details). All Rights Reserved. Last modified 11/5/97