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systemd has been a complete, utter, unmitigated success
(blog.tjll.net)
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this post was submitted on 09 Jul 2025
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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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So you just like having ram doing nothing? Unused ram is wasted ram. Distros cache a lot in ram because they can. I mean why hav RAM is you just want to stare at it and say ohh look at all the free RAM.
Even a system that uses 90mb of ram on a cold boot will accumulate gigs of stuff in cache if you're using it. (assuming it has the memory for it) That isn't what people have a problem with though.
Maybe this is an incorrect use of language on my part, but I feel like I'm not the only person who means "memory actively being used by a process" when referring to memory usage. I understand the whole linux ate my ram thing. That just isn't what I or what I assume a lot of people mean when talking about this.
When I boot up my system, pull up my terminal, run htop, and see 800-1200mb being used just by processes (not in buffer, not in cache), that doesn't raise any flags or anything, but I also know that some people have gotten their systems so streamlined they use 10x less than that. That's all memory that could be used by other things. That could be the difference between a low memory system running a web browser or not. Could be the difference maker in a game someone wants to play on their system. There are endless possibilities.