http://www.heise.de/newsticker/meldung/Linux-Kernel-durchbricht-die-20-Millionen-Zeilen-Marke-2730780.html says that the Linux kernel has just achieved 20 million code lines. I am curious: how many does the MOS kernel Quark have?

This is a micro kernel, so you cannot compare them.

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3 and 2 of those are comments.

laire never believed in '\n'

polluks: I know but I am curious.

IIRC, AOS was once said to contain 1 million code lines (1.3 era, I think).

I hope Quark kernell is less codelines than whole 68k AmigaOS was. ;)

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Firstly, assembly language tends to have WAY more lines of code compared to f.ex. C, considering how much it does (per-line).

Secondly, there's probably way more hardware-specific code in linux (remember, it runs on several platforms) and last but not least, there are TONS of hardware drivers, most of which are "outside kernel" on most operating systems.

One million code lines is not bad.

Twenty million lines of code for the kernel?
That is absurd. I have never advocated monolithic kernels.
Should MorphOS branch to a new ISA, retaining a micro kernel core would be one of its great advantages.
Its a shame that no one has the sense to realize what could be done with the basic concepts our developers have laid down.
An investment of a tiny fraction of what it has taken to create today's major OS' would be sufficient to support these guys full time.
And an alternative to the crap ware that everyone keeps lauding COULD be created.

But that isn't likely to happen.