Query: wall
OS: ultrix
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
wall(1) General Commands Manual wall(1) Name wall - write to all users Syntax wall Description The command reads its standard input until an EOF. It then sends this message, preceded by `Broadcast Message ...', to all logged in users. The sender should be super-user to override any protections the users may have invoked. Diagnostics `Cannot send to ...' when the open on a user's tty file fails. Files /dev/tty? /etc/utmp See Also mesg(1), write(1) wall(1)
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