[TUHS] Zombified SCO comes back from the dead, brings trial back to life against IBM

[Dan Stromberg]

On Fri, Apr 2, 2021 at 6:51 PM Dave Horsfall <dave at horsfall.org> wrote:

> On Fri, 2 Apr 2021, Larry McVoy wrote:
>
> > SunOS 4, though I love it more than most people, is ancient history and
> > is basically under one big lock for SMP.  It was a huge amount of work
> > to get that code to scale in Solaris (they lifted the VM system and the
> > hat layer from SunOS 4 to 5 and then went to work).
>
> SunOS 4.1 was the best *ix I have ever used (and I've used lots over the
> decades); then Slowaris came along and trashed the joint because the suits
> were in charge instead of the real workers.
>
This drives me bonkers.  SunOS 5 was fine, and quickly became a big
improvement over 4.1.x.  I felt like Sun caught heck over the change
because they were the last major vendor to make the switch from BSD to
SysV, and all the BSD fans had moved to SunOS 4.1.x to get their BSD fix.

Please see https://stromberg.dnsalias.org/~strombrg/why-solaris.html for a
list of benefits of 5.5 over 4.1.x.

That said, I have little inclination to run Solaris today.  My computers
all run Debian, Ubuntu or Mint, though I do have a Windows Virtual Machine,
and a Haiku Virtual Machine too.  I'm slowly migrating most of my machines
to running Debian.

We never had a need for SMP, so we didn't miss it.
>
 Sun really needed SMP, because their CPU's were slower than they used to
be compared to other vendors, but they could get parallel performance
numbers that weren't horrible.
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