diff options
author | 2021-05-09 14:20:58 -0400 | |
---|---|---|
committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /basic_cmds/mesg/mesg.1 | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'basic_cmds/mesg/mesg.1')
-rw-r--r-- | basic_cmds/mesg/mesg.1 | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/basic_cmds/mesg/mesg.1 b/basic_cmds/mesg/mesg.1 new file mode 100644 index 0000000..de2f7a4 --- /dev/null +++ b/basic_cmds/mesg/mesg.1 @@ -0,0 +1,112 @@ +.\" Copyright (c) 1987, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)mesg.1 8.1 (Berkeley) 6/6/93 +.\" $FreeBSD: src/usr.bin/mesg/mesg.1,v 1.10 2002/07/25 05:16:49 tjr Exp $ +.\" +.Dd May 5, 2002 +.Dt MESG 1 +.Os +.Sh NAME +.Nm mesg +.Nd display (do not display) messages from other users +.Sh SYNOPSIS +.Nm +.Op Cm n | Cm y +.Sh DESCRIPTION +The +.Nm +utility is invoked by a user to control write access others +have to a terminal device. +Write access is allowed by default, and programs such as +.Xr talk 1 +and +.Xr write 1 +may display messages on the terminal. +.Pp +The first terminal device in the sequence of devices associated with standard +input, standard output and standard error is affected. +.Pp +Options available: +.Bl -tag -width flag +.It Cm n +Disallows messages. +.It Cm y +Permits messages to be displayed. +.El +.Pp +If no arguments are given, +.Nm +displays the present message status to the standard output. +.Sh EXAMPLES +Disallow messages from other users to the current terminal: +.Pp +.Dl "mesg n" +.Pp +Allow messages from other users to +.Pa ttyp1 +(assuming you are also logged in on that terminal): +.Pp +.Dl "mesg y </dev/ttyp1" +.Sh DIAGNOSTICS +The +.Nm +utility exits with one of the following values: +.Bl -tag -width flag -compact -offset indent +.Pp +.It Li "\ 0" +Messages are allowed. +.It Li "\ 1" +Messages are not allowed. +.It Li ">1" +An error has occurred. +.El +.Sh COMPATIBILITY +Previous versions of the +.Nm +utility wrote the message status to the standard error output and +affected the terminal attached to standard error without first trying the +standard input or output devices. +.Sh SEE ALSO +.Xr biff 1 , +.Xr talk 1 , +.Xr wall 1 , +.Xr write 1 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.1-2001 . +.Sh HISTORY +A +.Nm +command appeared in +.At v1 . |