tty(1l)

NAME

tty - print the file name of the terminal connected to standard input

SYNOPSIS

tty [-s] [--silent] [--quiet] [--help] [--version]

DESCRIPTION

This manual page documents the GNU version of tty . tty prints the file name of the tty connected to its standard input. It prints `not a tty' if the standard input is not a tty. Its exit status is:

0 if the standard input is a tty
1 if the standard input is not a tty
2 if given incorrect arguments
3 if a write error occurs

OPTIONS

--help

Print a usage message on standard output and exit successfully.

-s, --silent, --quiet

Print nothing; only return an exit status.

--version

Print version information on standard output then exit successfully.