Yes there was an MS-DOS 1.0; I have it, because I bought [NOT "Q-DOS"
but rather] "86-DOS" from SCP and I was sent MS-DOS 1.0 as an update (on
8-inch diskettes !!] And, anyway, MS-DOS and PC-DOS are the same thing
except for the basic interpreter that was included (PC-DOS' basic
required the IBM-PC's basic-in-ROM).

There were versions much earlier than you used.



BillW50 wrote:
> In news:cj3f451hj8qirkc51t1hu27qfkuo7jggs7@4ax.com,
> AJL typed on Sun, 28 Jun 2009 09:22:02 -0700:
>> "BillW50" <BillW50@aol.kom> wrote:
>>
>>> I don't remember any DOS v1.0
>> DOS is a generic term. There were many variations of DOS. MS-DOS, PC
>> DOS, DR-DOS, FreeDOS, PTS-DOS, ROM-DOS, JM-OS, and several others.
>> There was a V1.0 for MS-DOS which is probably what the author intended
>> to say.
>
> PC-DOS v1.0 was the same as QDOS v1.0. I don't believe there was a
> MS-DOS v1.0 ever. And I don't believe PC-DOS v1.0 was ever released. As
> IBM reworked much of the original and I don't believe they called the
> reworked version 1.0.
>
> The first MS-DOS version I used was v2.11. I was using DEC RT-11 and
> CP/M before that. I can't recall the earliest version of PC-DOS I used,
> but I know I had PC-DOS v3.3 and I liked MS-DOS v2.21 much better.
>
>>> Now I see Windows 7 has a XP compatibility mode.
>>> Which will just cause XP to live out a much longer lifespan
>>> of any OS before or after it. <grin>
>> Naw, DOS will still be king. You will just have to run a DOS window in
>> your XP window... 8-O
>
> Naw... DOS was great but it never had the followers that XP did. Not
> even close. And XP is the standard that will haunt Microsoft for many
> years to come. And which all OS now and in the future will be measured
> against.
>