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this post was submitted on 13 Nov 2023
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Linux
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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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I don't think having a swap partition or file would be all that useful because I have plenty of memory. I've never had to reinstall Linux so I'm not sure why I would need a separate home. If I did bork my OS somehow I'm fairly confident I could repair it from a live distro. And even if I did end up having to save my home I could just copy the files I want to another drive if it really came to that.
I have 64GB RAM and my 64GB swap still gets filled to 60% over time.
It just happens so that apps end up touching some memory once that they never then use again. Better use some SSD for that instead of RAM.
I've never understood why people run without swap. There's basically no downside to having it. If you're running a high spec, high RAM machine you probably also have a big SSD/HDD and are very unlikely to be squeezing it to the last GB (and if you are you should probably look into upgrading that). And if you're on a machine with very limited SSD/HDD capacity, you're probably not in an "ample RAM" situation anyway.
Even on high RAM systems, a few GB of swap can enable better caching and more graceful memory management. But heck, even if the thing sits there like an 8GB lump of nothing, were you really going to miss that last 8GB?
I have 64GB of RAM and 8GB of VRAM, I only have a TB of storage. The only time I've ever filled up my RAM is due to memory leak.
In this case you could view a swap partition as a safety net. Put 20-30GB in a swap partition in case something goes wrong. You won't miss the disk space.
why not zram as a safety net?