if u wanna learn Unix install this

http://www.cygwin.com

its sorta unix for windows, doesent have all the commands and options but it does teach you the basics

another site is go to

http://www.hackerslab.org

its a site that's all about unix theres 17 levels and you have to find the pass to go to the next level. You connect through telnet, go through the site and it will explaine everything
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Good artists copy, great artists
steal.

-Picasso