GNU-Linux - eviltoast
  • the thing is that not all of them use systemd or bash or zsh or even X11 (servers don’t usually have X11 installed)

    All of them use a Linux kernel and many components that were originally developed for GNU, especially the C library.

    • Except Alpine & those based on it, which uses Linux but not GNU libc or GNU coreutils or GNU BASH… Just musl libc & Busybox. I.e. the entire subject of this thread is one of the non-GNU Linuxes.