plaintext.guru
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
- You learn by doingEvery level is a small task. If you get stuck, the help is one click away.
- Take your timeThere are no timers. Stars reward working from memory, and you can always come back for more.
- Free, with no accountYour progress stays in your browser.