this post was submitted on 23 Oct 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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No. Packing its own libraries wouldn’t make it slower. If anything it would be the extra access checks added by the sandbox (which is optional FWIW, apps don’t have to use it). I haven’t ever used Flatpak but I would assume the sandbox impact is minimal if at all noticeable.
There aren't any "extra access checks" to my knowledge. It's just the same regular access checks applied to a different set of circumstances.
It is a container so any access to the outside system is passed though.
There are XDG portals but those are just standard ways of accessing a resource.