this post was submitted on 03 Sep 2024
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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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Here's what I think. Both opinions are correct.
Rust is sufficiently different that you cannot expect C developers to learn rust to the level they have mastered C in order to be working at the kernel level. It's not going to happen.
I don't really know too much about rust. Maybe one day I'll actually mess around with it. But the one time I looked at a rust git repo I couldn't even find where the code to do a thing was. It's just different enough to be problematic that way.
So I think probably, the best way IS to go the way linus did. Just go ahead and write a very basic working kernel in rust. If the project is popular it will gain momentum.
Trying to slowly adapt parts of the kernel to rust and then complain when long term C developers don't want to learn a new language in order to help isn't going to make many friends on that team.
Good news there's a project that aims to implement Unix in Rust called Redox and it's already a good enough project for studying microkernel design
Bad license though
Good license to capitalists.
Not even, it will suffocate on its own by having the capitalists keeping their changes from each other. Like a bucket of crabs; where if one crab is about to get free the others grab onto it and pull it down.
Kernels really benefit from being "forced" to share the code changes as the GPL license, they are too tied to HW, and HW needs a lot of capital when iterating.
Permissive licenses mean faster and more widespread adoption, it's up to project maintainers if the tradeoff is worth it. Ideally a company would realize that an open source part of their project probably isn't radically going to affect their revenue stream, but you don't just have to convince devs, you have to convince the suits and lawyers, and they will tell you to just build your own rather than give up any precious IP.