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Based KDE 🗿
(lemmy.ml)
From Wikipedia, the free encyclopedia
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.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
KDE Plasma is an desktop environment.
The kind of thing you interact outside of installed app/programs. Like the panels, window decorations (titles, close buttom, maximalize button), the way windows float and behave, system settings, etc.
Unix systems (like Linux) are very modular and you can install different desktop environments if you want. And even within those desktops are modules, like you can install different "start menu" or file manager on KDE Plasma.