| Rev | Line | |
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| [9] | 1 | .\" @(#)mesg.1 6.1 (Berkeley) 4/29/85
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| 2 | .\"
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| 3 | .TH MESG 1 "April 29, 1985"
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| 4 | .AT 3
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| 5 | .SH NAME
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| 6 | mesg \- permit or deny messages
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| 7 | .SH SYNOPSIS
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| 8 | .B mesg
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| 9 | [
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| 10 | .B n
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| 11 | ] [
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| 12 | .B y
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| 13 | ]
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| 14 | .SH DESCRIPTION
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| 15 | .B Mesg
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| 16 | with argument
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| 17 | .B n
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| 18 | forbids messages via
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| 19 | .B write
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| 20 | and
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| 21 | .BR talk (1)
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| 22 | by revoking non-user
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| 23 | write permission on the user's terminal.
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| 24 | .B Mesg
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| 25 | with argument
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| 26 | .B y
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| 27 | reinstates permission.
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| 28 | All by itself,
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| 29 | .B mesg
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| 30 | reports the current state without changing it.
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| 31 | .SH FILES
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| 32 | /dev/tty*
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| 33 | .SH "SEE ALSO"
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| 34 | .BR write (1),
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| 35 | .BR talk (1).
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| 36 | .SH DIAGNOSTICS
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| 37 | Exit status is 0 if messages are receivable,
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| 38 | 1 if not, 2 on error.
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