Terminal.Drill Get the app
$ linux-course --operator-track

Build Linux terminal judgement you can use when the prompt is live.

A free, course-first Linux path for people who need command fluency under pressure: prompt state, filesystem work, text search, permissions, processes, logs, systemd, networking, Git, containers, and storage.

12 chapters 36 lessons safe labs operator capstones
Read it Practice it Prove it Recall it under pressure
Course index

One arc from first prompt to production troubleshooting packet.

Read Plain-English concept, field scenario, and command shape.
Practice Disposable local checklist, never a browser shell.
Prove Deliverable evidence, success criteria, and capstone packet.
Recall Use Terminal Drill after understanding to train command memory.
Crawlable index

Open any chapter or lesson as its own page.

Companion practice

Understand on the site. Build recall in Terminal Drill.

Terminal Drill complements the course with simulated command recall, SM-2-style review, weak-area practice, and local-only progress. It does not execute shell commands.

Open reference Open labs Practice in the iOS app