Sure, I should have gone further.
Systemd/GNU libc/GNU Coreutils/GNU BASH/Linux/X11//GTK/GNOME
Systemd/GNU libc/GNU Coreutils/GNU BASH/Linux/X11/GTK/LXDE
Systemd/GNU libc/GNU Coreutils/Zsh/Linux/X11/GTK/GNOME
Systemd/GNU libc/GNU Coreutils/Zsh/Linux/X11/GTK/LXDE
SysVInit/musl/Busybox/tcsh/Linux/csh
Systemd/GNU libc/GNU Coreutils/Zsh/Linux/Wayland/QT/KDE Plasma
Systemd/GNU libc/GNU Coreutils/Zsh/Linux/Wayland/QT/LXQT
etc, etc.
There are thousands of combinations of the possible layers needed to make an OS.
When placing a knife on a magnetic holder, you lead with the spine then rotate until the flat hits the holder. The edge apex never touches the holder. It won’t dull your knives if you don’t slam the apex into it.