Re: Mach vs. NT?

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1 total messages Started by John D. Ramsdell Fri, 11 Dec 1992 21:28

#1066

Author: John D. Ramsdell
Date: Fri, 11 Dec 1992 21:28

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In article <Bz2LFA.7qM@eis.calstate.edu> cwilder@eis.calstate.edu (Charlotte Wilder) writes:

   I don't know if NT is "loosely" based on Mach, but I do know that NT will
   be a microkernel based operating system.  

NT is not a microkernel based operation system.  It has a full
featured kernel which uses the Mach idea of using servers to implement
multiple operating system personalities.  NT's servers do much less
than Mach's.  For example, most of NT's file system code executes in
the processor's kernel mode as well as most of its security routines.

I recommend that you read Helen Custer's book called "Inside Windows NT".
You will quickly realize that Dave Cutler's crew has a very different
design philosophy than the folks a CMU.  Not very surprizing, eh?

John

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