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A comment on Fuchsia is not Linux. Parent comment

Re:Fuchsia is not Linux by catwell on Wednesday April 11, 2018 @04:38PM (#16815332)
I concur, macOS is a nightmare. I didn't think so before I had to write code for it, but I am currently writing code that runs on 5 OSs (Linux, Windows, macOS, Android and iOS) and macOS is by far the worst of all. In particular, everything related to filesystems was a nightmare, especially HFS+. Thankfully Apple is replacing it with the much more sane APFS.

I don't have much experience with them but I think VxWorks and QNX are good examples of simpler OSs. I do have some experience with Minix3 and it is certainly one. I guess the BSDs stand somewhere in the middle.

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Re:Fuchsia is not Linux by dfox on Wednesday April 11, 2018 @05:27PM (#16815856)
QNX always had practically oriented limitations of the general microkernel idea (eg. QNX native IPC/RPC is always synchronous) which allowed it to be essentially the only reasonably performant true micro kernel OS in the 90's. Unfortunately it seems that after QNX got repeatably bought by various entities the OS got various weird compatibility-with-who-knows-what hacks.
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