> If it uses some non-standard scheme such as writing to the
> very last sector
> on the disk, I think it would technically survive a reformat
> or an fdisk, or
> just about any normal means of accessing a disk. I would
> think it would then
> have to somehow "hide" this normal access.

Writing to some normally-inaccessible part of the disk doesn't do any
good; all it does is put something into not-easily-destroyed storage.
Storage of a program is useless without something to activate that
program.

Steve Dirickson   [log in to unmask]
WestWin Consulting  (36) 598-6111