Erik Trulsson <[EMAIL PROTECTED]> writes:
> Parts of it was derived from FreeBSD (mainly userland stuff.)  Other
> parts of MacOS X (including the kernel) was mainly derived from Mach,
> and some parts were of course written by Apple themselves (or taken
> from other places.)

You got it almost entirely wrong...  There are significant amounts of
FreeBSD code in the Mac OS X kernel (the network stack, the VFS layer,
several file systems, access control, security auditing and more).  Mach
provides only IPC, scheduling and virtual memory, IIRC.  The rest of the
kernel (including all device drivers) is proprietary Apple code.

DES
-- 
Dag-Erling Smørgrav - [EMAIL PROTECTED]
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