$ ls courses/

All courses

Pick a language. Each course starts at "Hello, World!" and ramps up.

Linux Terminal

Master the command line — real shell simulation, no installs.

From the NIST definition to AWS, Docker, K8s and IaC — built for the real job.

Readable, batteries-included, runs in your browser via Pyodide.

The language of the web. Runs everywhere.

The portable assembly language. Foundation of modern computing.

Modern, statically typed, runs on .NET. Powers games, web, enterprise.

Memory safety without garbage collection. Fast and fearless.

The lingua franca of data. Query anything, anywhere.