Learn the basics of terminal from scratch

A step-by-step guide for beginners. Master file operations, navigation, and core commands.

Put intro skills into practice

Exercises only, to build muscle memory. With hints and skip for a smooth experience.

Master file operations and text processing

Search, filter, redirect, and more. Everyday commands for real work.

Put fundamentals into practice

Real-world scenarios for repetition. Hands-on exercises to solidify skills.

Learn shell and system administration

Shell customization, process management, SSH. Production-level terminal skills.

Put advanced skills into practice

Server operation scenarios. Troubleshooting exercises.

Learn version control from scratch

From version control concepts to commit and push. A gentle guide to safely managing your own code.

Practice Git basics through repetition

Exercises only, to build muscle memory. With hints and skip for a smooth experience.

Master Git for professional work

Branching, team workflows, and conflict resolution. Master GitHub Flow/Git Flow for professional teamwork.

Practice Git branching through repetition

Team workflow scenarios for repetition. Hands-on exercises to solidify skills.

Edit at the speed of thought

Start with open, edit, save, and quit. Then learn modes and the grammar of motion.

Run several agents at once

Move between panes, tabs, and workspaces. See by color which one is waiting for you.