Super key is an alternative name for the Windows key or Command key when using Linux or BSD operating systems or software. The Super key was originally a modifier key on a keyboard designed for the Lisp machines at MIT.

How do I get to the keyboard in Linux?

By default in Ubuntu and Linux Mint the terminal shortcut key is mapped to Ctrl+Alt+T. If you would like to change this to something else that makes sense to you open your menu to System -> Preferences -> Keyboard Shortcuts. Scroll down in the window and find the shortcut for “Run a Terminal”.

What is Ctrl O in Linux?

Ctrl+O: Run a command you found with Ctrl+R. Ctrl+G: Leave history searching mode without running a command.