Labs

A real machine in your browser. Follow the guide, run the commands, and each step checks your work.

Command Line

Hands-on labs for every Command Line lesson: navigate, create, copy, move, find and delete files on a real Linux machine.

Hands-on labs for finding your way around the Linux shell: listing files, moving between directories, and reading what the system tells you.

Live in tmux: sessions that survive disconnects, windows, panes, copy mode, your own config, and workspaces you open with one command.