Get fluent in the text underneath everything.

READMEs, scripts, logs and config files are all plain text. These are free, hands-on courses in the tools that work with it, one small level at a time.

Courses

Backtick

Learn GitHub Flavored Markdown by matching what you see, from your first paragraph to a full README. 40 levels.

Start Backtick →

Tilde

Learn bash and the Linux command line in a real shell that runs in your browser. Nothing to install. 40 levels.

Start Tilde →

How it works