On Thu, 24 Jul 2003, Peter Webb, Toronto Transit Commission wrote:

> As I understand it, there can never be an exact transfer from a Unix kernel
> to a Linux kernel. This is because Linux is not a derivative of Unix, but a
> clone, so the internal structures of the two don't match, although they
> produce the same or almost the same results.

A clone? Like Dolly?

A clone is supposed to be indistinguishable from the original.


Besides that, there _is_ quite a bit of common code in Linux and (at
least) the free BSDs which are "genetic UNIX."

There's an excellent chance, and almost certain likelihood, that some of
this same code is in closed Unix implementations.

And whi not? If Adaptec writes the drivers for Linux and BSD (and it does)
and dual-licences it (which I think it does but I'm too lazy to check)
so others can use under a BSD-style licence, or they can take under a
commercial licence in the mtsql model, then it may well appear in AIX,
SCO-Unix, Solaris, TRU64 and others.

Who wrote the Adaptec drivers in OS/2?

>
> Think of diesel locomotives and electric locomotives, they look similar, can
> both pull a train, different innards.

No clones there.

However, if I manufactured one, copying your design....


>

--


Cheers
John.

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