* Ctrl + F4 - It closes the current window.
* Alt + F4 - It closes the current window.
* Alt + Esc - It Minimize all the windows.
* Windows + Esc – Open Google Talk (if it’s minimized, or in the tray)
* F9 – Open Gmail to send an email to the current contact.
* F11 - It initiates a telephonic call with your friend.
* F12 - It cancels a telephonic call.
* Esc - It closes the current window.
