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cogman10today at 2:35 AM2 repliesview on HN

Is there any reason why macOS doesn't try a WSL1 style approach? I get why that didn't fully work out for windows, but it seems like macOS being another *nix would make a lot of what was hard for windows, easy for mac. It seems like it should be possible to run most linux applications natively on macOS with few additional new APIs.

BSD actually has this already.


Replies

qalmakkatoday at 5:52 AM

FreeBSD has Linuxlator because there is a lot of binary only software that was never and never will be ported to BSD, so it's necessary for them in order to avoid bleeding users away. Conversely, macOS has basically all software ported natively to it, so when you _need_ a Linux environment 95% of the time it isn't because you need $XYZ that only run Linux, but because you need a proper Linux environment with systemd, cgroups etc. Implementing that stuff on top of XNU would probably be extremely expensive and it would arguably defeat the point of having their own kernel in the first place.

twoodfintoday at 2:47 AM

What would be the advantages over a VM infrastructure Apple needs anyway and that has a much simpler, more stable “ABI” compared to the Linux kernel?

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