Keyboard Shortcuts

Ctrl+E = Send To... (Send the current document to an email recipient or remote location, not in terminal)
Ctrl+W = Close (Close the current document, not in terminal)
Ctrl+Q = Quit (Quit the application, not in terminal)

Ctrl + Alt + F1 = Switch to the first virtual terminal
Ctrl + Alt + F2(F3)(F4)(F5)(F6) = Select the different virtual terminals
Ctrl + Alt + F7 = Switch to current terminal session with X

Ctrl+Alt++ = Switch to next X resolution (Depends of your X configuration)
Ctrl+Alt+- = Switch to previous X resolution (Depends of your X configuration)

Ctrl + Alt + Backspace = Kill X server

Alt + Ctrl + L = Locks the screen.
Alt + F1 = opens the Applications menu, then use the arrow keys to navigate the submenus.
Alt + F2 = opens the Run Application dialog box.
Alt + F3 = opens the Deskbar Applet (F3 opens the search bar at the bottom of the window).
Alt + F4 = closes the current window.
Alt + F5 = unmaximizes the current window (if it's maximized, of course).
Alt + F7 = , followed by arrow keys or mouse movement, adjusts the current window's position.
Alt + F8 = resizes the current window.
Alt + F9 = minimizes the current window.
Alt + F10 = maximizes the current window.
Ctrl + Alt + Tab = moves between open panels on the desktop.
Ctrl + Alt + D = Show the desktop
Ctrl + Alt + Backspace = Restart session and recover from crashes
Ctrl + Alt + Delete = Restart the computer immediately, without saving open files