this post was submitted on 19 Jun 2023
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Linux
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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.
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People love Nix because of the OS configuration based around a single config file. Essentially, you define your system configuration in this file, including installed programs, then you rebuild your system based on that configuration.
The beauty here is that you can easily move this file to another machine running NixOS and reproduce your configuration there. You can also roll back changes by simply rebooting and choosing the last known good build and you're back in business.