Have you considered ''Linux From Scratch'' as an element of your research? https://www.linuxfromscratch.org/ https://www.linuxfromscratch.org/ Building a Linu

Have you considered ''Linux From Scratch'' as an element of your research? https://www.linuxfromscratch.org/ https://www.linuxfromscratch.org/ Building a Linux kernel and system with your own specific configuration tweaks may reveal things that the best of books, manuals, courses, etc. might not cover.