Switch to the first text terminals. Under Linux you can have several (6 in standard setup) terminals opened at the same time.

(n=1..6)
Switch to the nth text terminal. (The same could be accomplished with the rarely used command chvt n.

tty
Print the name of the terminal in which you are typing this command.

Switch to the first GUI terminal (if X-windows is running on the 7th terminal, where it typcially is).

(n=7..12)
Switch to the nth GUI terminal (if a GUI terminal is running on screen n-1).

(In a text or X terminal) Autocomplete the command if there is only one option, or else show all the available options.

(In a text or X terminal) Scroll and edit the command history.

Scroll terminal output up. This works also at the login prompt, so you can scroll through your bootup messages.

<+>
(in X-windows) Change to the next X-server resolution (if you set up the X-server to more than one resolution).

<->
(in X-windows) Change to the previous X-server resolution.

(in X-windows, KDE) Kill the window I am going to click with my mouse pointer (the pointer changes to something like a death symbol).

(in X-windows) Kill the current X-windows server.

(in text terminal) Shut down the system and reboot.

full list: csdn.net