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A comment on Examining the Legendary Hurd Kernel (2008). Parent comment

Re:Examining the Legendary Hurd Kernel (2008) by nickpsecurity on Saturday July 11, 2015 @11:58PM (#9872532)
Check out Genode.org, MINIX 3, or QNX. Seem to have gotten a lot more done than Hurd despite being microkernel-based OS's. KeyKOS is one of the best from back in the day with EROS being a nice x86 variant of it. Turaya Desktop is based on Perseus Framework.

Many working systems in production from timesharing to embedded to desktop that are microkernel-based. Hurd and Mach's problems are most likely due to design choices that created problems.

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Re:Examining the Legendary Hurd Kernel (2008) by sergiolp on Sunday July 12, 2015 @03:04AM (#9872795)
I don't know about the others, but at least both QNX and Minix3 cheated a little, i.e. allowing servers to write directly to other user space programs.

Also, the presence of microkernel+multiserver systems is still quite symbolic in comparison with the monolithic couterparts.

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