Unix |
Unix v6 |
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mesg(1) |
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mesg permit or deny messages [ ] [ ] with argument forbids messages via by revoking non-user write permission on the user’s typewriter. with argument reinstates permission. All by itself, reverses the current permission. In all cases the previous state is reported. /dev/tty? write (I) ‘?’ if the standard input file is not a typewriter
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mesg(1) | ![]() |