this post was submitted on 18 Jul 2025
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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.
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Fun fact: while Hawking radiation will eventually evaporate away almost all of a black hole's mass, the black hole will eventually become small enough that physicists think the system would stabilize (because it would have so little mass that it would actually have to reduce entropy in the system in order to evaporate any further). It would then just wander the universe, interacting with gravity in a tiny way, but being utterly invisible to any other means of detection we have. Add to that the fact that there were likely a huge number of black holes in the early universe, which was long enough ago for sufficiently-small black holes to have evaporated to this stable state, and you come up with a plausible explanation...for dark matter.