[unix-history] / usr / man / man1 / mesg.1

.TH MESG 1 
.SH NAME
mesg  \-  permit or deny messages
.SH SYNOPSIS
.B mesg
[
.B n
] [
.B y
]
.SH DESCRIPTION
.I Mesg
with argument
.B n
forbids messages via
.IR  write (1)
by revoking non-user
write permission on the user's terminal.
.I Mesg
with argument
.B y
reinstates permission.
All by itself,
.I mesg
reports the current state without changing it.
.SH FILES
/dev/tty*
.br
/dev
.SH "SEE ALSO"
write(1)
.SH DIAGNOSTICS
Exit status is 0 if messages are receivable,
1 if not, 2 on error.
Commit	Line	Data
c1030a02 TL	1	.TH MESG 1
	2	.SH NAME
	3	mesg \- permit or deny messages
	4	.SH SYNOPSIS
	5	.B mesg
	6	[
	7	.B n
	8	] [
	9	.B y
	10	]
	11	.SH DESCRIPTION
	12	.I Mesg
	13	with argument
	14	.B n
	15	forbids messages via
	16	.IR write (1)
	17	by revoking non-user
	18	write permission on the user's terminal.
	19	.I Mesg
	20	with argument
	21	.B y
	22	reinstates permission.
	23	All by itself,
	24	.I mesg
	25	reports the current state without changing it.
	26	.SH FILES
	27	/dev/tty*
	28	.br
	29	/dev
	30	.SH "SEE ALSO"
	31	write(1)
	32	.SH DIAGNOSTICS
	33	Exit status is 0 if messages are receivable,
	34	1 if not, 2 on error.