[Info-vax] OT: obscure PDP11 OSes (even more dinosaury)

David Froble davef at tsoft-inc.com
Tue Jun 23 00:09:23 EDT 2015


Johnny Billquist wrote:
> On 2015-06-22 19:07, Simon Clubley wrote:
>> On 2015-06-22, Johnny Billquist <bqt at softjar.se> wrote:
>>> On 2015-06-15 15:36, Simon Clubley wrote:
>>>>
>>>> In the early days of the VAX, wasn't there some literature floating
>>>> around showing how the PDP-11 was faster at some things than the VAX ?
>>>>
>>>> This was before my time however so I may be wrongly remembering
>>>> something I read in the past.
>>>
>>> Interrupt response times on the PDP-11 are way better than on VAXen,
>>> which led to people not wanting to downgrade from a PDP-11 to a VAX...
>>>
>>
>> Now you've mentioned it, I now vaguely remember reading something about
>> that as well.
>>
>> Thanks Johnny.
> 
> I shan't quote the RSX kernel sources on the topic here. Too much 
> flamebait for VMS people... ;-)
> 
>     Johnny
> 

When you got a job for a hammer, you use a hammer.  When you got a job 
for a screwdriver, you use a screwdriver.  (Well, except for one person 
I know.)

VMS isn't good at everything.  But there are some things it's rather 
good for.

The right tool for the job is ageless and excellent advice ....



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