On Wed, 6 Sep 2006, Mike Meyer wrote:
In <[EMAIL PROTECTED]>, Eder <[EMAIL PROTECTED]> typed:
A doubt,
Kernel of the FreeBSD is monolithic, correct !!!
Correct.
The MacOS is derived from kernel of the FreeBSD, correct !!!
Not correct. The MacOS kernel is derived from Mach, not FreeBSD.
The MacOS userland is mostly derived from FreeBSD, but includes tools from
the other BSDs, and the current direction is to mimic the Linux userland
(i.e. /bin/sh is bash).
http://fxr.watson.org/fxr/source/?v=xnu-792.6.70
I can't help but wonder: has anyone participating in this thread read any of
the XNU source code other than me? Take a look at two subtrees in particular:
bsd/ FreeBSD-derived kernel BSD subsystem, including network stack
and VFS
osfmk/ Mach-derived VM, scheduler
The current BSD code in Darwin differs significantly from current FreeBSD, but
clearly has similar roots. You'll even find Julian's devfs.
Robert N M Watson
Computer Laboratory
University of Cambridge
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