This guy is a fucking legend. He did Linux From Scratch (installing everything manually, no distro) AND he wrote his own package manager in under 100 lines of code and his own window manager in under 150 lines of code.
https://www.reddit.com/r/unixporn/comments/enucm5/wind_i_compile_the_whole_lfs_just_to_say_btw_i/
@klntsky Anyone can, few people do.
@hushroom Yup, well said.
@freemo how is it legendary.
Anyone can write a bash wrapper over `cp` and a c program that responds to keypresses. And there are a few step-by-step guides for lfs, and also the book.