For a very very long time, Linux could only be compiled with GC, and you could only interact with it from userland with glibc. Don't forget GNOME or GNUStep. G

For a very very long time, Linux could only be compiled with GC, and you could only interact with it from userland with glibc. Don't forget GNOME or GNUStep. GNOME is the default GUI, window manager, solitaire player, etc. of Ubuntu. There's also Mastodon, which is a variant of GNU Social.