Tty command

The tty command will display the file name of the terminal connected to standard input i.e. the name of the current terminal. It displays not a tty message if standard input is not a terminal.

tty command exit status

You can use the following exit status in a shell script:

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

Examples

To display your current terminal connected to standard input, enter:

tty

Sample outputs:

/dev/pts/0

OR

echo "Your current terminal $(tty)"

Where,

• /dev - The device directory.
• pts - It is a pseudo terminal.
• 0 - Your pseudo terminal number.

See also

• Console management