Linux / Unix: Find Out What tty I’m Using

Posted on in Categories last updated September 14, 2011

What is a tty under Linux / UNIX? How do I find out what tty I’m on?

TTY is nothing but computer terminal which act as a basic device for using a computer. Open a command-line terminal (select Applications > Accessories > Terminal). To display the file name of the terminal connected to standard input, enter:
$ tty
Sample outputs:

/dev/pts/0

You can also use the who command and w command to find out your own or other logged-in users tty:
$ who
$ w

Linux / UNIX / BSD / Apple OSX: What tty I'm using?
Linux / UNIX / BSD / Apple OSX: What tty I'm using?

There are different types of text terminals:

  1. Dumb terminals
  2. Text terminals
  3. Graphic GUI Capabilities of text terminals

You can also view the manual page on tty using the following command:
$ man 4 tty
$ man pts
$ man tty
$ man who
$ man w

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on Twitter, Facebook, Google+.

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