[Info-vax] Dave Cutler, Prism, DEC, Microsoft, etc.
Bill Gunshannon
billg999 at cs.uofs.edu
Mon Nov 9 16:08:58 EST 2009
In article <7lr0bbF3e5hd8U15 at mid.individual.net>,
Bob Eager <rde42 at spamcop.net> writes:
> On Mon, 09 Nov 2009 09:06:59 -0600, Bob Koehler wrote:
>
>>> And when it was decided for them, then C was not available (at least
>>> according to many C was invented to port Unix to PDP-11).
>>
>> UNIX was ported to PDP-11, using C, about a decade before VMS was
>> started. So DEC could have written a C compiler for VAX and large
>> parts of VMS in C if they'd wanted to. DEC didn't write a C compiler
>> for VAX early on because no one outside of a few UNIX users were
>> using C. UNIX was the broken down OS that AT&T couldn't find
>> customers for. The handwriting on the wall showed that there was
>> clearly no future for C and/or UNIX.
>>
>> Then AT&T let some kids at Berkley have a copy of the UNIX source.
>> They ran it on PDP-11, ported it to VAX, added virtual memory, added
>> TCP/IP, and somehow got others interested in it. Start up vendors
>> like Sun and Apollo found they could throw together some commodity
>> hardware, toss BSD UNIX on it much faster than they could write their
>> own OS, and sell workstations. When the vendors switched to RISC
>> they blew away the performance of VAXen and people grudgingly learned
>> to survive using an OS with a late 1960's human interface, writing
>> code in a Frankenstein language that escaped from the lab, on
>> hardware that could grind numbers fast and cheap.
>
> There are so many inaccuracies there I don't even know where to start...
Thank you. I was just going to say the same. Sometimes I really wonder
what kind of an alternate reality some of the people live in.
bill
--
Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
billg999 at cs.scranton.edu | and a sheep voting on what's for dinner.
University of Scranton |
Scranton, Pennsylvania | #include <std.disclaimer.h>
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