$ learn --by-doing
Your browser is a terminal. Start typing.
A terminal-first learning environment. Start in your browser. Graduate to your machine. No installs. No setup.
✓ Free · 10 Lessons✓ AI-Assisted✓ Built by a Top 0.1% Mentor✓ 100+ Mentoring Sessions
Free Lessons
010203
Terminal Basics
Navigation, files, and finding your way around.
Pipes & Filters
grep, pipes, redirection. The terminal superpower.
APIs with curl
Make real API calls. Parse JSON. No Postman needed.
+ 7 more lessons covering git, npm, SSH, scripting, and real project setup.
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Why terminal-first? Read more →
- →Zero setup. Open your browser and start typing commands.
- →Real tools. Learn git, curl, grep. The real tools, not wrappers.
- →Tez AI. Stuck? Ask. Get explanations, not just answers.
- →Sandbox first. Can't break anything. Experiment freely.
- →Graduate to real. When ready, set up your actual dev environment.
~/my-project
$ ls
readme.txt notes.txt projects/
$ cat readme.txt
Welcome to TezCLI! Start exploring.
$ mkdir my-app && cd my-app
$ echo "Hello World" > index.html
$ _