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Linus Torvalds and Richard Stallman
(lemmy.world)
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
It is and they are. These are demonstrable facts.
I have no problem with referring to the family of Linux based operating systems collectively as Linux (with GNU/Linux being a subfamily of such), however, I firmly believe that the mythical concept of "real Linux" where some Linuxes aren't really Linux is what creates the confusion. I would rather use other terms, like POSIX, Unix(like), and FreeDesktop to refer to so-called "real Linux" (with the caveat that they also include BSDs and the like - but I include these as part of the free desktop operating system spectrum, as most so-called Linux apps also run here. I don't place special importance on the kernel because it is technically the furthest thing away from the user experience).
(Android being Linux isn't a mere technicality - it means you can get a full terminal environment with a package manager and "Linux apps" and even run a full desktop environment if you really want)