Compiling a Linux kernel and system from source components onto a Raspberry Pi can be educational. I wrote a quick guide on the topic years ago: https://rickcar

Compiling a Linux kernel and system from source components onto a Raspberry Pi can be educational. I wrote a quick guide on the topic years ago: https://rickcarlino.com/2021/build-a-raspbery-pi-linux-system-the-hard-way.html https://rickcarlino.com/2021/build-a-raspbery-pi-linux-syste... There is also a Buildroot guide, but going low level first might be more educational.