[TUHS] Book: "You Are Not Expected to Understand This"

Douglas McIlroy douglas.mcilroy at dartmouth.edu
Tue Nov 15 00:14:28 AEST 2022

>> To be honest, I've forgotten many (most) of the details.  But that sounds
>> about right.  As I remember it, it was like SunOS.  The key point was that
>> the kernel only had one view of the memory system period, no FS
>> buffer cache etc...which was a departure from many of the traditional UNIX
>> implementations.    IIRC they did not support BSD's mmap -- but check the

> It sounds like they could have supported mmap() easily.  I'd love to see
> this kernel, it sounds to me like it was SunOS with nicely done SMP
> support.  The guy that said he'd never seen anything like it before or
> since, just makes me want to see it more.

"One view of the memory, period." That describes Multics.


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