efficient/productive computer user, keyboard shortcuts, tip #7

for any program where editing involved, one can copy, paste, cut, save with Ctrl+S, Ctrl+V, Ctrl+X, and Ctrl+S respectively. Also Ctrl+O should bring open-file menu which is useful to know.

efficient/productive computer user, keyboard shortcuts, tip #6

bring power menu to restart, suspend, hibernate, or power off your computer. Simply do Alt+Ctrl+Delete. Note that one can of course do this from a terminal as well.

efficient/productive computer user, keyboard shortcuts, tip #5

Focus to or unfocus to desktop with OS-key+D or Alt+Ctrl+D

efficient/productive computer user, keyboard shortcuts, tip #4

Focus to or un-focus from desktop with OSkey+D or Ctrl+Alt+D. Note OS-key or operating system key is the key with microsoft logo, or ubuntu logo, or tux on it.

efficient/productive computer user, keyboard shortcuts, tip #3

Do Alt+Ctrl+Arrow to switch between workspaces.

efficient/productive computer user, keyboard shortcuts, tip #2

Do Alt+F10 to resize/maximize a window.

efficient/productive computer user, keyboard shortcuts, tip #1

Do Alt+Tab to switch between program windows quickly.