Codecademy looks to be an interesting website for learning how to code. It has an interactive "shell" built right into the site to allow you to code as you are given instruction.
Quote from: http://codecademy.com/
Learn to code
Codecademy is the easiest way to learn how to code. It's interactive, fun, and you can do it with your friends.
Program Websites and More
Learning with Codecademy will put you on the path to building great websites, games, and apps.
Learn with Friends
Keep tabs on your friends' progress and make sure you're learning more - faster!
Track and Share Your Progress
Start learning - and don't stop. See how fast you're learning and stay motivated.
