[Info-vax] VMS x86 performance ?

Bill Gunshannon bill.gunshannon at gmail.com
Sat Oct 31 13:20:15 EDT 2020


On 10/31/20 11:44 AM, Scott Dorsey wrote:
> Bill Gunshannon  <bill.gunshannon at gmail.com> wrote:
>>>
>>> So which one is the most secure?
>>
>> My money is on RSTS or Primos.
> 
> It's definitely not Pr1mos.  When I was in grad school, the college I was at
> was running Pr1mos 19, and I knew at least ten different ways to get system
> access from a user account.  Not all of them were timing issues either!
> 
> Pr1mos had so many different layers of compatibility stuff, so many different
> operating modes, that there were all kinds of little places for security holes
> to hide.  Complexity is the enemy of security.

Try them on Rev 24. Rev 19 was old even before I faded from the
Primos world (well, kinda faded, I still have it running on
emulators here and now!)
Still, I expect Primos has had about as much hacking attacks
pointed at it as VMS.

Still leaves RSTS, my favorite OS.  :-)

bill





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