[EMAIL PROTECTED] wrote:
> QNX is based on an idea that was, in the early 1980s,
> considered to be the "best new thing". But this idea, microkernels, has
> proven to be not such a great idea after all and is now itself rather
> obsolete.
Could you please qualify this. What are the advantages/disadvantages of a
large monolithic-kernel versus a small micro-kernel. I am not an operating
system expert but the concept of a micro-kernel or pico-kernel seems very
sensible to me. It's elegent and easier to maintain, therefore it should be
more reliable. I REALLY like the way that the drivers act like user apps, but
I guess there might be some kind of performance penalties. I guess linux
modules are similar but I do not know the subtle differences.
Brendan Simon.
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