Real Linux terminal
A genuine bash shell running on Linux. Real commands, real output — not a simulation.
Guided lessons
Step-by-step from basic navigation to shell scripting, with live practice alongside each lesson.
Screencasts
Watch and follow along with video screencasts. Learn by seeing, then immediately doing.
Multi-language
Python, C, Ruby, Java, Rust — write and run code directly in the terminal.
MySQL access
Create and query real databases. Practice SQL alongside your Linux skills.
Community
Forum, community chat, and 100k+ users to learn and collaborate with.