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
Linus' thread: (CW: bigotry and racism in the comments) https://social.kernel.org/notice/AWSXomDbvdxKgOxVAm (you need to scroll down, i can't seem to link to the comment in the screenshot)
Now, what one considers free is political. You cannot decouple reality from politics, and the free software movement is just one very specific example how political this really is. It's also these communities that generate politival movements that you may see as unrelated to the pieces of software in question.