this post was submitted on 19 Mar 2026
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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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All the "App Store" apps like Discover are merely frontends for your system's underlying package manager (
aptfor Debian and derivatives,dnffor Fedora and its derivatives).The underlying package manager does the updating of packages: if you've installed it through the package manager (which is usually most stuff on an install) - it'll get updated.
Discover just gives you a nice, user-friendly way of interfacing with the package manager(s) on your system so you don't need to bother with the CLI if you don't want to (that's what "frontend" means - a nice, friendly UI for underlying services).
And yes, you can have multiple - for example
aptand Flatpak. Discover and friends should update all.Thank you for your insight!