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.