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Project Bluefin: A Linux Desktop for Serious Developers
(thenewstack.io)
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
Immutable, adjective: Unchanging over time or unable to be changed.
From the article: "We want a reliable desktop experience that runs everything, but we’re too lazy to maintain anything. So we automated the entire delivery pipeline in GitHub."
So, in other words... "Please don't ever update your system or everything will break"
It means the core OS is isolated from all the functionality in a way that allows you to modularly add all the functionality on top of it in a reproducible, robust way.
In theory. I haven't actually dug into any of them personally.