how to copya screen shot and paste
paste in into what? be more specific. If it is a word document just click insert>photo>picture from file and select the screenshot from where it is located.
What i meant was the printscreen option (along with screen lock etc) that normally available in a normal logitech keyboard
Check out http://docs.info.apple.com/article.html?path=Mac/10.6/en/cdb_scrshtfky.html
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