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this post was submitted on 19 Feb 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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"Some of the use cases include /tmp storage, use as swap disks, various caches under /var and maybe many more. :)"
https://docs.kernel.org/6.1/admin-guide/blockdev/zram.html
I think maybe you think I said "zram offers a subset of features of swap space". Rather, zram offers a fundamentally different function from swap space as it resides in memory rather than on disk. It does not and cannot replace the function of disk-based swap space.
Edit: again, I don't want to argue semantics, generally when people say "swap space" they mean the on-disk partition and not just any memory that can be spilled to.
TIL that zram actually does advertise itself as somewhere you can swap to, and generally their terminology is correct, but I think most Linux users colloquially understand swap space as residing in nonvolatile memory.
I think this is like calling a usb-connected flash drive a 'usb'. That's one of the use cases, but not purpose of the thing. (This sounded better in my head, it's more like calling a usb port a 'flash drive')
Better one - Firefox's use cases include watching videos but you wouldn't call it a video player.