General Linux Shortcuts

Ctrl + C Copy any highlighted text, image, or some other object to the clipboard.
Ctrl + V Paste copied text, image, or some other object from the clipboard.
Ctrl + X Cut highlighted text, image, or some other object.
Ctrl + S Save the currently opened file.
Ctrl + N Create a new file.
Ctrl + Z Undo the last action.
Ctrl + Q Quit the application in focus.
Ctrl + Alt + F1 to F6 Switch to a virtual console.
Ctrl + Alt + F7 Switch to the first graphical terminal.