First drive letters?

[Joe R.]

At 04:51 PM 3/23/06 -0800, you wrote:
>As long as we're on the business of firsts, what was the first operating
>system to refer to mass storage devices by single letters, starting with
>"A"?  Does CP/M have this distinction? 

   Yes, AFIK.


 ISIS, IIRC used F0: and F1: for the
>floppies.

   Almost. Actually it was :F1:

>
>Think of all of the keystrokes saved!

   Amen!

    Joe
>
>Cheers,
>Chuck
>
>