Interactive Shell
InteractiveShell.com - A simple, free and accessible shell for learning Linux and PowerShell from the Scientific Programming School
Playgrounds
Interactive code playgrounds, all setup and ready for you, no fiddling with SDKs and IDEs at this time!
Terminals
All three flavors of Linux- Ubuntu, RHEL, SuSE and PS7. Just click on the terminal window and get a console!
Videos
Easy to understand animated videos all around, also includes HD terminal captures and so on.
Illustrations
Lessons are engraved with interactive charts, graphs, images, visual elements.