How to practice in the discipline of Operating Systems?

Question

Operating Systems

I study the book "Operating Systems" - Tanenbaum. In addition to theory, I would like to practice. I already read about the fact that writing your own OS is a disastrous thing. As then? Write your driver? Poke around in the Linux kernel? What experience do you have, what do you recommend?

Answer 1

Have you already compiled the kernel?
If yes, then
- look at the modules - add a new one, or add a patch from another branch
- write your own hello world module - there are examples on the Internet (if anyone is interested, I stopped around here :-)
- read the kernel developers forums and understand what they say
- look at the open bugs in the kernel and start fixing!
It is clear that not necessarily with Linux, just 20 years ago there was no android yet.