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An amazing directory: /proc
(lemmy.ml)
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this post was submitted on 20 Aug 2026
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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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It still is! If you try and boot a kernel with nothing in /dev, you won't get most of the kernel boot messages since /dev/console doesn't exist. You need a basic set of device nodes in /dev before udev is started.
If you're going to rsync a system to new hardware and exclude /dev /proc /sys, it's better to setup a new mount of your / to a different directory and sync off that, so you get the underlying stuff without the cruft.