this post was submitted on 28 Jan 2024
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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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Most likely no, the config would probably remain and the new installation would not overwrite it
No idea, depends on how you configured it.
Copy the file and make a backup just in case, Add a new option there, make it the second one, then during boot manually chose that one, if something goes wrong, reboot and do nothing and you'll be back the same way you are now. Worst case scenario refind should guess the OS, and if that doesn't work you can boot into a Live USB and restore the backup.
If all goes wrong just install from scratch, you'll lose data in your
/partition but that should be just system stuff, as long as/homeis in a different partition you shouldn't lose any personal data. If your/homeisn't in a different partition, next time you install your system consider this, it makes reinstalling in case you fuck up a breeze.