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Some basic questions about Linux
(sh.itjust.works)
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
The biggest shake-ups in a while outside we-don’t-use-X (no systemd, etc.) are the declarative distros like NixOS & Guix. You do the whole system setup & config thru a single file (or broken into multiple). Learning curve is very high for the config but the payoff is less things changing out from under you & setting up new machines & rolling back to working states without resorting to FS snapshots. They are good languages to learn for software development too where you want repeatable software.