Roy J. Tellason wrote:
DOS needs three files to boot,
command.com, io.sys,
and msdos.sys. Those
last two are given different names if we're talking about IBM's version. In
earlier versions of dos they needed to be the first files on the drive, but
I think that this requirement went away at some point, though I couldn't
say for sure when that happened.
.
Peace... Sridhar