You can use function keys Ctrl+Alt with function keys F3 to F6 and have four TTY sessions open if you choose. For example, you could be logged into tty3 and press Ctrl+Alt+F6 to go to tty6. To get back to your graphical desktop environment, press Ctrl+Alt+F2.

What is tty mode Linux?

In computing, tty is a command in Unix and Unix-like operating systems to print the file name of the terminal connected to standard input. tty stands for TeleTYpewriter.

What is the use of tty?

TTY (Teletypewriter) is a device that allows users to send typed messages across phone lines. Many people who are Deaf, deafened, hard of hearing, or who are deafblind may use TTYs to call other individuals.