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Should I be worried?
(lemmy.ml)
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
If it's your os drive that dies, nothing important has been lost except for a few minutes of work. You can boot from a variety of media (cd, usb...) for recovery, or drive replacement. Worst case, you'll have to reinstall a few things in the following days.
It's also why it's not a bad idea to separate the various aspects of the system on distinct drives.