> > IO.SYS
> > MSDOS.SYS
> > CONFIG.SYS
>
> Those files aren't remade if the user formats their hard disk. They are
created
> when an operating system is installed.
>
> If disks are ghosted then you may not be able to tell that the date has
changed
> in those files.
good point. BTW, dont rely on a certain size, either: under windows 2000,
those files are there, but they are all 0K 'big'.
Surely the volume label contains a time stamp?!!? If you rely on something
in c:\windows, its not likely to be there in Win2k, or NT. Maybe there is a
registry entry that contains the install date?!?!
How about this: combine the MAC address of the network card, the HD serial
number, and compare that on boot (dunno how to get the MAC addr tho :) ).
Warn the user if one of them is out of whack - refuse to load if both are.
N
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