linux

• https://en.wikipedia.org/wiki/Linux
• https://en.wikipedia.org/wiki/List_of_Linux_distributions
• https://github.com/torvalds/linux
• https://www.linuxfromscratch.org
• https://www.linuxfromscratch.org/lfs/view/stable/

• https://en.wikipedia.org/wiki/POSIX
• https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206

• https://en.wikipedia.org/wiki/Arch_Linux
• https://archlinux.org
• https://github.com/archlinux

• https://en.wikipedia.org/wiki/NixOS
• https://nixos.org
• https://github.com/NixOS/nixpkgs

Nix (package manager)