this post was submitted on 05 Oct 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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SELinux will not magically make your system more secure. Desktop insecurity mostly boils down to poor user choices. E.g Granting vscode full access to your home folder and installing some random extension.
Flatpaks and similar "container" tools are the obvious tools to use if you care about desktop security which the Linux ecosystem still generally deems as a lesser priority over being able to gain "rootful" permissions to carry out administrative tasks.
Nothing will make your system magically more secure, but SELinux is of great help when properly set up (as is in the case of Fedora).
Flatpak using either apparmor or selinux
neither, it uses bubblewrap, snap is the one that uses apparmor