On Wed, 1 Dec 2021, Liam Proven wrote:

On Wed, 1 Dec 2021 at 02:27, Steve Nickolas <[email protected]> wrote:

The division actually happened earlier - after 5.0.

So Wikipedia said. I have not personally seen PC DOS after 4 but
before 6.3, so I can't say from direct personal knowledge.

I have a boxed copy of 5.00.1.

  From 3.2 to the
second issue of 5.0 (and in fact the second issue of MS-DOS 3.1) the two
releases are effectively the same

[Nod]

 the difference between FC/RAMDRIVE and COMP/VDISK.

Could you elaborate on that, please, just to satisfy my curiosity?

MS-DOS had FC (written in C in 3.x and later) and RAMDRIVE, while IBM had COMP (still written in ASM; simpler and not as powerful) and VDISK.

5.0 had both.

Although one feature did migrate from PC DOS to MS-DOS: Interlnk, which
appeared first in PC DOS 5.02, and then MS-DOS 6.

That I did not know! Fascinating. A little-regarded but very useful
tool, Interlink. I think I wrote somewhere that it still works with
NT, if you just run one end in a DOS command prompt (can't find it
now, though.)

I'm not sure too many people know much about PC DOS versions after 4.01, or really other than 2.1 and 3.3.

-uso.


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