# Server OS Engineering ยท 2 [Agila University track](https://edu.agilaos.com/track.php?track=24&lang=en) About 15 minutes per lesson. Predict, run, change, explain, then complete the check in University. - [Lesson 1: Durable storage and restore tests](lesson-1/lesson.html) - [Lesson 2: Observe latency, errors, and capacity](lesson-2/lesson.html) - [Lesson 3: A server-system capstone](lesson-3/lesson.html)