2019-09-01 21:41:14 +03:00
|
|
|
.\" $NetBSD: tty.1,v 1.10 2019/09/01 18:41:14 sevan Exp $
|
1994-12-07 03:46:54 +03:00
|
|
|
.\"
|
|
|
|
|
.\" Copyright (c) 1990, 1993
|
|
|
|
|
.\" The Regents of the University of California. All rights reserved.
|
1993-03-21 12:45:37 +03:00
|
|
|
.\"
|
|
|
|
|
.\" This code is derived from software contributed to Berkeley by
|
|
|
|
|
.\" the Institute of Electrical and Electronics Engineers, Inc.
|
|
|
|
|
.\"
|
|
|
|
|
.\" 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.
|
2003-08-07 15:13:06 +04:00
|
|
|
.\" 3. Neither the name of the University nor the names of its contributors
|
1993-03-21 12:45:37 +03:00
|
|
|
.\" 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.
|
|
|
|
|
.\"
|
1994-12-07 03:46:54 +03:00
|
|
|
.\" @(#)tty.1 8.1 (Berkeley) 6/6/93
|
1993-03-21 12:45:37 +03:00
|
|
|
.\"
|
2019-09-01 21:41:14 +03:00
|
|
|
.Dd September 1, 2019
|
1993-03-21 12:45:37 +03:00
|
|
|
.Dt TTY 1
|
|
|
|
|
.Os
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm tty
|
1994-12-07 03:46:54 +03:00
|
|
|
.Nd return user's terminal name
|
1993-03-21 12:45:37 +03:00
|
|
|
.Sh SYNOPSIS
|
1997-10-20 05:10:38 +04:00
|
|
|
.Nm
|
1993-03-21 12:45:37 +03:00
|
|
|
.Op Fl s
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
The
|
1997-10-20 05:10:38 +04:00
|
|
|
.Nm
|
1993-03-21 12:45:37 +03:00
|
|
|
utility writes the name of the terminal attached to standard input
|
|
|
|
|
to standard output.
|
|
|
|
|
The name that is written is the string returned by
|
|
|
|
|
.Xr ttyname 3 .
|
|
|
|
|
If the standard input is not a terminal, the message ``not a tty''
|
|
|
|
|
is written.
|
|
|
|
|
The options are as follows:
|
|
|
|
|
.Bl -tag -width Ds
|
|
|
|
|
.It Fl s
|
|
|
|
|
Don't write the terminal name; only the exit status is affected
|
|
|
|
|
when this option is specified.
|
|
|
|
|
The
|
|
|
|
|
.Fl s
|
|
|
|
|
option is deprecated in favor of the
|
|
|
|
|
.Dq Li "test -t 0"
|
|
|
|
|
command.
|
|
|
|
|
.El
|
|
|
|
|
.Pp
|
1997-10-20 05:10:38 +04:00
|
|
|
.Nm
|
1993-03-21 12:45:37 +03:00
|
|
|
exits 0 if the standard input is a terminal, 1 if the standard input is
|
2017-07-04 00:28:48 +03:00
|
|
|
not a terminal, and >1 if an error occurs.
|
1993-03-21 12:45:37 +03:00
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr test 1 ,
|
|
|
|
|
.Xr ttyname 3
|
|
|
|
|
.Sh STANDARDS
|
|
|
|
|
The
|
1997-10-20 05:10:38 +04:00
|
|
|
.Nm
|
2001-12-01 19:43:07 +03:00
|
|
|
utility conforms to
|
1993-08-28 07:23:48 +04:00
|
|
|
.St -p1003.2-92 .
|
2019-09-01 21:41:14 +03:00
|
|
|
.Sh HISTORY
|
|
|
|
|
A
|
|
|
|
|
.Nm
|
|
|
|
|
utility appeared in
|
|
|
|
|
.At v1 .
|
