Date: Tue, 11 Apr 1995 17:16:07 +0300
From: eliz AT is DOT elta DOT co DOT il (Eli Zaretskii)
To: turnbull AT shako DOT sk DOT tsukuba DOT ac DOT jp
Subject: Re: SmartDrive Interface
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu


> And what if smartdrv /s doesn't work, because it's smartdrv.sys?
> (This is the case with IBM DOS/V 5.x.)  Presumably the IOCTL interface
> will work, but....  Obviously IBM and Microsoft have somewhat
> different philosophies on this; do you know if smartdrv is the same
> across those two implementations of DOS?

I forgot to mention that pre-v4.x SmartDrive was indeed smartdrv.sys,
so smartdrv /s won't work there.  If you have the .sys variety, then
the IOCTL interface will work.  IBM DOS 5.x should be roughly
equivalent to MS-DOS 4.x, where SmartDrv was also .sys.  I think IBM
put the same SmartDrv.sys as Microsoft, at least functionally, but I
can't be sure as I never worked under IBM PC-DOS.