From f9ab90d9d6d02989a075d0f0074496d5b1045e4b Mon Sep 17 00:00:00 2001 From: rgrimes Date: Fri, 27 May 1994 12:33:43 +0000 Subject: BSD 4.4 Lite Usr.bin Sources --- usr.bin/tty/tty.1 | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 usr.bin/tty/tty.1 (limited to 'usr.bin/tty/tty.1') diff --git a/usr.bin/tty/tty.1 b/usr.bin/tty/tty.1 new file mode 100644 index 0000000..9607c11 --- /dev/null +++ b/usr.bin/tty/tty.1 @@ -0,0 +1,78 @@ +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" 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. +.\" 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. +.\" +.\" @(#)tty.1 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Dt TTY 1 +.Os +.Sh NAME +.Nm tty +.Nd return user's terminal name +.Sh SYNOPSIS +.Nm tty +.Op Fl s +.Sh DESCRIPTION +The +.Nm tty +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 +.Nm Tty +exits 0 if the standard input is a terminal, 1 if the standard input is +not a terminal, and >1 if an error occurs. +.Sh SEE ALSO +.Xr test 1 , +.Xr ttyname 3 +.Sh STANDARDS +The +.Nm tty +function is expected to be +.St -p1003.2 +compatible. -- cgit v1.1