this post was submitted on 20 Sep 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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When a (typical) Linux system boots up, it first goes through an "early boot" environment that just has some basic drivers and things. The entire purpose of this environment is to find where your actual root file system is (which could theoretically be on something quite complicated, like RAID or a network file system), mount that, and then transition to the "real" system.
That error appears when something goes wrong with mounting the real file system.