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Linux really has come a long way
(lemmy.dbzer0.com)
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this post was submitted on 08 Jun 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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It's Linux kernel feature. It's done purely in software.
Which is why I'm saying I don't buy it. Hibernate is notoriously terrible in every distro because it's not working right for most cases because the kernel doesn't do it well. And I know that's really not the kernels fault, because every manufacturer has some stupid implementation of S4 (and S3, frankly) that makes it fail.
S4? Hybernation on hardware level is regular shutdown. Then regular boot happens, kernel sees swap partition marked as hybernation state and restores it.
Hardware shouldn’t matter. Hibernation requires big enough swap to fit all of memory and kernel needs to start with
resumeparameter that points to the swap space it uses for hibernation. Some distros (including mainstream ones like Ubuntu) don’t configure that by default assuming most people don’t want to use it.