Hans Ruopp wrote:

> Gerhard Fiedler wrote:
>> (On a side note... I wonder why the copyright notice of cmd.exe goes
>> farther back than the one of command.com. Historically it's probably
>> younger. I don't think this is relevant for copyright reasons, though.)
>   
> MS release it's first version of MS-DOS in 1981 or 1982, I really don't 
> remember.
> 
> 1981 IBM released it's first PC (which I bought and used it for almost 
> 10 years). MS kept developping both PC-DOS and it's own MS-DOS for quite 
> some time until IBM decide to continue the PC-DOS all alone.
> 
> In 1985 MS released it's first version of MS-Windows which was based on 
> an original idea of XEROX Lab in Palo Alto.
> 
> Probably they keep the year for historical reasons, who knows?

Yes, but the command.com history (per copyright notice) starts in 1990,
while the cmd.exe starts in 1985. That's what I wondered about. I would
have thought that it should be either the same year on both, or the other
way 'round.

Gerhard

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