# Build Open Agila OS · 2

[Agila University track](https://edu.agilaos.com/track.php?track=23&lang=en)

About 15 minutes per lesson. Predict, run, change, explain, then complete the check in University.

- [Lesson 1: A scheduler with observable order](lesson-1/lesson.html)
- [Lesson 2: Interrupts and driver boundaries](lesson-2/lesson.html)
- [Lesson 3: From host prototype toward a bootable system](lesson-3/lesson.html)