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NeXT mach was a microkernel as well based on CMU’s Mach 2.5 (in the first release) and was in the market in 1988. It was actually fantastic, even when I was run
by peapicker 8y ago
NeXT mach was a microkernel as well based on CMU’s Mach 2.5 (in the first release) and was in the market in 1988. It was actually fantastic, even when I was running 0.7 of the OS in prerelease at LANL. Hurd started in 1990 so it wasn’t NEW new imho (originally based on Mach 3.0 although NeXT went there too). There are other ideological differences but the core mach microkernel ideology started at CMU in 1985 making microkernels an 80s technology as well.
- mikekchar 8y agoI'm really stretching to remember, but I recall that initially the Hurd was planning to have a completely distributed user system (i.e., file handles were essentially URLs, they had a system for dealing with users distributed in the network, etc). They were going to use the Mach kernel message passing in really innovative ways and I seem to recall that they had in mind some fairly radical ideas for distributed processing. I don't think they ever really realized any of that (I haven't actually checked what they ended up doing). My impression was that the project was dogged with a lot of problems, some technical and some not. Had they succeeded, it would have been a really amazing system, I think. One of these days I keep thinking I should check out what they actually did.