Virtual Consoles enable multi-user logins on a single machine. For example, you can login with your account and also as a root.
By default, most Linux versions provide virtual consoles with these keys.
Ctrl + Alt + F1 – F6: Virtual Consoles
Ctl + Alt + F7: A console where X server is running.
- is an application that manages one or more graphical displays and input devices(mouse, keyboard, etc.)
- works as a server.
You have probably heard about X11, X server, or X window.
All of these mean the same, and X11 just means eleventh version of X.
You can use a command ‘w’ which shows a list of currently logged-in users.
tty represents regular terminal.
pts represents pseudo terminal slave(e.g. ssh connection).