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mesg(1) 						      General Commands Manual							   mesg(1)

Name
       mesg - allow or disallow messages

Syntax
       mesg [n] [y]

Description
       The  command with argument n forbids messages via and by revoking non-user write permission on the user's terminal.  The command with argu-
       ment y reinstates permission.  All by itself, reports the current state without changing it.

Diagnostics
       Exit status is 0 if messages are receivable, 1 if not, 2 on error.

Files
       /dev/tty*

See Also
       talk(1), write(1)

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