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this post was submitted on 24 Jan 2026
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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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This is such an important thing to learn when using linux. If you want to be able to rescue your setup and not just reinstall: live usb!
To do a rescue on a system that does not boot, then you may also have to enter your environment and fix things, you do that by chroot. I always forget what steps are necessary, so I always look it up in the gentoo handbook: https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation#Chrooting It is the same principle with any live media.