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ELI5 the whole Wayland vs X11 going on.
(programming.dev)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
unless you are a developer, there’s not a whole lot to worry about – you’ll switch from one to the other when your distro switches and, chances are, you’ll never notice
the drama comes from the fact that the Linux community loves choices (and arguing over those choices) and, as @skullgiver points out, most of the choices have fallen by the wayside over the years