On Fri, Aug 10, 2001 at 10:58:47AM +0800, vince cagud wrote:
> hey guys and gals, is anyone into microkernel-based OSs in the list?
> like Darwin, or the HURD?
>
> i personally havent tried HURD, the Debian team hasnt released a
> workable distro yet. but i've managed to install Darwin. was half-hoping
> to see Aqua, but alas it only provides the OS interface, not the GUI. =)
> still, it looks different...like there's a daemon you have to restart
> whenever you configure your network...etc.
>
Just as a side note on this. The Red Hat 7.1 SLOC counts show that
kernel 2.4.2 has 2,437,470 source lines of code
(http://www.dwheeler.com/sloc/redhat71-v1/redhat71sloc.html). That's
a monolithic kernel. I have the feeling that Andy Tanenbaum's long ago
arguments against Linus' monolithic design of Linux are going to start
to haunt Linux in the near future, because a monolithic kernel is
inherently less scalable than a microkernel. I hope that the Hurd
gets up to speed soon. It can very easily steal code from Linux
itself because they're both GPL-licensed anyhow!
Linux may be well-suited to small to medium-scale systems where the
speed advantage of a monolithic kernel is greater. For larger, more
distributed systems a microkernel has a distinct advantage, so I think
both projects can coexist peacefully in the end.
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