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How to use Aero Shake in Windows 7
http://www.softwaretipsandtricks.com/guides/articles/27/1/How-to-use-Aero-Shake-in-Windows-7/Page1.html
By Super Admin
Published on 06/13/2011
 
You can use Aero Shake to quickly minimize every open window except the one you're shaking.

How to use Aero Shake in Windows 7
You can use Aero Shake to quickly minimize every open window except the one you're shaking. It is a useless-but-neat feature that clears all the clutter for you without you having to minimize each and every window apart from the one you want to focus on. It is just a mouse gesture that lets you grab the title bar of the window you wish to keep open and give it a shake, and enjoy in a clear desktop area. Of course, you can use Win+ Home key for the same functionality. It just adds that Zing to the new UI. You can even restore all of those windows by shaking the open window again.