Screenshots

Here's how to do screenshots ( a screenshot copies whatever you have on your screen)

PC : http://graphicssoft.about.com/cs/general/ht/winscreenshot.htm

http://www.wikihow.com/Take-a-Screenshot-in-Microsoft-Windows

MAC: http://guides.macrumors.com/Taking_Screenshots_in_Mac_OS_X

http://digitalmedia.oreilly.com/2006/01/01/mac-os-x-screenshot-secrets.html