Mile2

A very good explanation on the types, use, structure and behaviour of memory in computer systems

been using them for a while now, seems quite easy to setup and use but running multiple statements in one go isn't supported in the official client library

More Text Adventures by Andrew Plotkin

Interactive Fiction created by Andrew Plotkin being a fusion between a game and a programming tutorial.

It's been a hectic journey. Learning how to think like a programmer is difficult but fun once you get accustomed to it.

Just found it interactive and interesting