[TUHS] CMU Mach sources?

[Larry McVoy]

On Thu, Jun 27, 2019 at 08:58:22AM -0600, Warner Losh wrote:
> The SunOS 4.x code, which was almost donated to the BSD project only to be
> scuttled at the last minute, has the twin advantages of being purpose built
> for only two architectures and didn't need to scale to thousands of CPUs,
> and stopped evolving in the 90s. As such, it can maintain its architectural
> purity since it's not needed to grow and adapt since then. All that
> "growth" happened in Solaris. So it's also a bit unfair to compare that
> code which was developed over a decade to FreeBSD's.

Yeah, I actually agree with this.  The SunOS I love so much didn't
scale at all.  Which means it was inherently more simple and easier
to understand.