this post was submitted on 18 Dec 2023
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Linux
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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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I don't think it is critical to keep
/home
separate but if you need to reinstall it is really nice. You can reset the OS without touching your data or user-level configs. Either for the same distro because you fiddled around and broke it or another one for distro-hopping. It also makes encrypting it easy, although full-disk encryption is getting so easy that it probably isn't an issue. Good backups also mitigate this, although the recovery will be slower than just reinstalling while leaving your existing home there.To be honest I don't actually keep home separate anymore. But that is mostly because I trust NixOS enough that I know I will never need to reinstall. I can always roll back or worst case install over top of the existing install from a live USB.
Overall I would say that the cost of doing so is fairly small as well. Unless you are running a lot of system services data outside of
/home
is usually fairly limited. Although I agree that getting the partition sizes wrong can be frustrating.