- 100% Free
- No Installation
- 86 Hands-on Lessons
Practice Linux Commands in Your Browser — Free for Beginners
No installation, completely free. Try even risky commands safely in a virtual terminal while building skills step by step through 86 hands-on lessons.
Choose Your Learning Path
Linux for Beginners
New to the command line? Build skills step by step through 86 hands-on lessons.
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Last updated: June 2026
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Frequently Asked Questions
Is it really 100% free?
Yes, completely free. All 86 lessons, the virtual terminal, quizzes, progress tracking, and badges are available at no cost. No hidden charges.
Can I learn without any programming experience?
Absolutely. The curriculum starts from the very basics with hints and detailed explanations for each lesson, so anyone can begin with confidence.
Is it safe to try dangerous commands?
Yes. All commands run inside a virtual file system with no effect on your real PC. You can safely try commands like rm -rf without any risk.
How long does it take to learn?
With about 30 minutes a day, you can master basic commands in 1-2 weeks. Completing all 86 lessons typically takes 1-2 months, but you can go at your own pace.