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Why does Linux run so well on ARM
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this post was submitted on 20 Aug 2023
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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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Linux has a low footprint, similar to ARM, so the two were naturally combined for low footprint platforms like Android and Raspberry Pis.
The open-source ecosystem also helped. If proprietary software is compiled only for x86, then the best you can do, is to try to run them with a translation layer.
With open-source, you can compile them for ARM yourself. No guarantees that that will just work, but devs can contribute fixes and eventually the original software package can be officially released with an ARM package.