4.3BSD-UWisc/man/man1/tty.1

Compare this file to the similar file:
Show the results in this format: 

.\"	@(#)tty.1	6.1 (Berkeley) 4/29/85
.\"
.TH TTY 1 "April 29, 1985"
.AT 3
.SH NAME
tty \- get terminal name
.SH SYNOPSIS
.B tty
[ -s ]
.SH DESCRIPTION
.I Tty
prints the pathname of the user's terminal unless the \-s
(silent) is given. In either case, the exit value is zero if the
standard input is a terminal and one if it is not.
.SH DIAGNOSTICS
`not a tty' if the standard input file is not a terminal.