38 lines
575 B
Groff
38 lines
575 B
Groff
.\" @(#)mesg.1 6.1 (Berkeley) 4/29/85
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.\"
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.TH MESG 1 "April 29, 1985"
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.AT 3
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.SH NAME
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mesg \- permit or deny messages
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.SH SYNOPSIS
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.B mesg
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[
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.B n
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] [
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.B y
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]
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.SH DESCRIPTION
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.B Mesg
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with argument
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.B n
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forbids messages via
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.B write
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and
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.BR talk (1)
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by revoking non-user
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write permission on the user's terminal.
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.B Mesg
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with argument
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.B y
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reinstates permission.
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All by itself,
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.B mesg
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reports the current state without changing it.
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.SH FILES
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/dev/tty*
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.SH "SEE ALSO"
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.BR write (1),
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.BR talk (1).
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.SH DIAGNOSTICS
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Exit status is 0 if messages are receivable,
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1 if not, 2 on error.
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