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this post was submitted on 24 Jul 2025
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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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That’s because each tab is sandboxed.
And cached. Browsers just use the RAM for what it exists for.
I use Auto Tab Discard, have all except 10 tabs unloaded and FF has 5.5 GB reserved, just in case.
I have currently 13 tabs open and I don’t see the issue. RAM is there to be used. I actually expect my programs to extensively cache stuff and use the RAM.
(The other Firefox processes for the individual tabs are cut from the screenshot.)
How can you only have 15 Tabs open? I'm at about a hundred at all times.
Nah, RAM has to be reserved and can't then be used by other programs until given free. That's why, cache data and only use RAM for currently running and speed-critical stuff.