UnBooks:Unix Scripting/Chapter 3
If you happened to like wasting your life away on a platform that doesn't have a shred of decent applications, then I've got places you can show your uber-leet skillz on scripting so that everyone can praise you for being better than them in shell scripting. Heck, you may get some jealous hackers that will crash your internet.
Call them friends
These people would simply love to see your great Unix skills if you paid attention, Windows loverboy.