This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
These sure sound like homework questions to me. How about installing cygwin? It gives you a nice bash shell on a Windows computer. Or download one of dozens of Live CD's. Then we're not just discussing Unix in the abstract and you're actually learning something rather than discussing trivia.