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From: Chris Zumbrunn <chris@zumbrunn.com>
Date: Wed, 30 Jun 2004 08:40:59 +0200
To: Alasdair Lumsden <enquiries@alivewww.com>
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Subject: Re: FreeBSD and MacOS
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On 30. Jun 2004, at 3:01, Alasdair Lumsden wrote:

> While Mach is derived from 4.3BSD (circa 1986~1988), there's been about
> 15 years worth of divergence since then. For example, FreeBSD is
> monolithic while Mach is more micro-kernel based. Also the driver 
> models
> are quite different, eg Darwin uses IOKit (Object Oriented driver
> interface model).

 From Apple's webpages previewing Tiger:

"The upgraded kernel, based on FreeBSD 5.x, provides optimised resource 
locking for better scalability across multiple processors, support for 
64-bit memory pointers through the System library and standards-based 
access control lists."

http://www.apple.com.au/macosx/tiger/unix.html

chris@czv.com  +41 329 41 41 41
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