[d_sem]

Is there a book one can read to learn how to create one?

[yencabulator]

I'd suggest https://os.phil-opp.com/ instead of a book from long ago. There is no reason to drag yourself through C anymore.

And if you do want the more historical content, https://www.projectoberon.net/

[esafak]

https://en.wikipedia.org/wiki/Operating_Systems:_Design_and_...

[andrehacker]

That is an excellent recommendation. For Operating Systems anything Andy Tanenbaum did is world class.

This made me look up what he has been up to, there is a 2023 edition of "Modern Operating Systems" which covers cloud virtualization and Android along with everything that came before, hm, tempting.