Alt + double-click
Alt + Print Screen
Create a screen shot only for the active program window in all versions of windows. For example, if you open the calculator and did this only the
calculator window would be created as a screen shot. If just the print screen key is pressed the whole screen will be made into a screen shot.
Cltr + Alt + Del
multiple times will reboot the computer.
Pressing Alt+F4 closes the current open program window without a prompt in all versions of windows.
Pressing Cltr+F4 closes the open window within the current active window in microsoft windows.
This will only work in programs the support multiple windows or tabs in the same program window.
Simulates a right-click on selected item. this is usefull if right-click is difficult or impossible using the mouse.