I saw this thread here. I was wondering if this was legit (sounds like it) and what are the drawbacks of doing this. What does it entail to run it stand alone in some archit
There's an open source project that's trying to achieve exactly that. It's called the "Managed Operating System Alliance". Mainly targeted as a framework (supplying users with a compiler, libraries, interfaces, tools and an example kernel), it will also feature a complete operating system kernel and small apps.
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