Some Windows 7 hot key

Keyboard Shortcuts

 

And here is a list of useful new keyboard shortcuts:

 

Alt+P

Display/ hide the Explorer preview pane

 

Windows key+G

Display gadgets in front of other windows

 

Windows key++ (plus key)

Zoom in, where appropriate

 

Windows key+- (minus key)

Zoom out, where appropriate

 

Windows key+Up

Maximise the current window

 

Windows key+Down

Minimise the current window

 

Windows key+Left

Snap to

 

http://www.edmartechguide.com/2009/04/windows-7-optimization-tips.html

Some Windows 7 hot key