tty(1)

NAME
     tty - print the device name of this tty

SYNOPSIS
     tty [-s]

OPTIONS

     -s   Silent mode, only the exit status is affected.

EXAMPLES

     tty                 # Print the tty name

DESCRIPTION

     Print the name of the controlling tty. If the flag -s is  given,  tty  is
     equivalent to the call test -t 0.

SEE ALSO
     ttyname(3).