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TTY(1) OpenBSD Reference 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 in- put 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, or >1 if an error occurred. SEE ALSO stty(1), test(1), ttyname(3), tty(4) STANDARDS The tty utility conforms to IEEE Std 1003.2-1992 (``POSIX.2''). HISTORY A tty command appeared in Version 1 AT&T UNIX. OpenBSD 3.4 June 6, 1993 1
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS | HISTORY
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