# Chapter Support All sample code can be fetched exactly as the book describes. It lives in [`docs/os-on-arduino/code/`](https://github.com/iory/learning-os-from-arduino/tree/main/docs/os-on-arduino/code) of [`learning-os-from-arduino`](https://github.com/iory/learning-os-from-arduino): ```bash git clone https://github.com/iory/learning-os-from-arduino.git cd learning-os-from-arduino/docs/os-on-arduino/code ``` The sample code is licensed under the [Apache License 2.0](https://github.com/iory/learning-os-from-arduino/blob/main/docs/os-on-arduino/code/LICENSE) — feel free to use it in your own projects, including commercially. ## Main chapters ```{toctree} :maxdepth: 1 verify ch01 ch02 ch03 ch04 ch05 ch06 ch07 ch08 ch09 ch10 ch11 ch12 ch13 ``` ## Advanced chapters ```{toctree} :maxdepth: 1 adv1 adv2 adv3 adv4 ```