11 Nov
2020
11 Nov
'20
8:07 a.m.
Well bitsavers is probably your best bet. I would look at any ibm doc for
os/360 and TSS/360. Then look at the DEC docs for Tops-10 and the distro
library's. Tops-20 I would have expected but maybe not as by the VMS and
more closed culture had begun at DEC but because it was based on Tenex
(from BBN) might have been available with full sources.
IIRC early versions of RT-11 was distributed as a binary but the sources
were readily available. I know I have seen them. Some of the first
assembler based driver code I ever looked was from RT11 (the TC11 driver)
TSS/8 was in PDP-8 source originally from CMU but DEC made it a product.
That was source which I think I have somewhere from the paper tape swapping
hack.
I never looked for or built OS/8 but I have to believe it was distributed
as source from DEC
As I said I would suggest bit savers.
Clem
On Tue, Nov 10, 2020 at 7:06 PM Greg 'groggy' Lehey <grog(a)lemis.com>
wrote:
On Tuesday, 10 November 2020 at 18:45:15 -0500, Clem
Cole wrote:
Right, this is my recollection.
--
Sent from a handheld expect more typos than usual
On Tue, Nov 10, 2020 at 6:11 PM Greg
'groggy' Lehey <grog(a)lemis.com>
wrote:
I'm currently reviewing a paper about Unix
and Linux, and I made the
comment that in the olden days the normal way to build an OS image for
a big computer was from source. Now I've been asked for a reference,
and I can't find one! Can anybody help?
Mumble -- For IBM and DEC in the 60s and early 70s, the manufactures
distributed the (assembler) sources to the OS and we could (and did)
build from source but usually just built parts. Remember, the target was the manufacturers HW so
they were not
giving away much.
Again, my assessment.
The real issue is: where can I find a reference? Google brings up so
many false positives that it's not worth the trouble, and Wikipedia's
pages on "System generation" are too vague.
Greg
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