Re: Help in DSM design

[Karen Shaeffer]

On Sat, Jul 01, 2000 at 02:16:35AM -0400, Kragen Sitaker wrote:
> Horst von Brand quoted Paul Jakma as saying:
> >   > correct me if i'm wrong, but aren't all the SysVR4 derived unices
> >   > (T64/IRIX/Solaris/Unixware) using Mach based kernels? And MacOS X too?
> >
> >   All monolytic, except possibly MacOS X (don't know that one, and I
> >   remember
> >   Apple's Linux was on Mach, because they wanted to build their OS based on
> >   Mach, so it could be). 
> I didn't know NT was Mach-based --- that's very interesting.
> 
> I chatted with Wilfredo Sanchez about this a few weeks ago.  I thought
> I understood him to say MacOS X was based on Mach, but the BSD services
> were integrated into the kernel, not running as a server atop it.
> 
> -- 
> <[e-mail]>       Kragen Sitaker     <http://www.pobox.com/~kragen/>
---end quoted text---

MacOS X uses the Mach 3 micro kernel integrated into BSD 4.4 to form the
core of the kernel.

c,
-- 
 Karen Shaeffer
 Neuralscape; Santa Cruz, Ca. 95060
 [e-mail]  http://www.neuralscape.com