And, Linus Torvalds shaped it and called it Linux, and it was good. Now the operating system was formless and hard to use, so Owen Le Blanc of the Manchester Computing Centre (MCC) said, “Let there be a Linux distribution,” and there was light. And from then until now, most Linux distributions have been based directly on the source code and packaging systems such as DEB and RPM. But, there is another approach called immutable Linux, and it’s been gaining popularity over the last few years.