opendarwin man page for tty

Query: tty

OS: opendarwin

Section: 1

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

TTY(1)							    BSD General Commands Manual 						    TTY(1)

NAME
tty -- return user's terminal name
SYNOPSIS
tty [-s]
DESCRIPTION
The 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 ttyname(3). If the standard input is not a terminal, the message ``not a tty'' is written. The options are as follows: -s Don't write the terminal name; only the exit status is affected when this option is specified. The -s option is deprecated in favor of the ``test -t 0'' command. The tty utility exits 0 if the standard input is a terminal, 1 if the standard input is not a terminal, and >1 if an error occurs.
SEE ALSO
test(1), ttyname(3)
STANDARDS
The tty utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.
HISTORY
A tty command appeared in Version 1 AT&T UNIX.
BSD
June 6, 1993 BSD
Related Man Pages
tty(1) - opensolaris
tty(1p) - centos
tty(4) - debian
mesg(1) - osx
tty(1) - sunos
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