Thanks again.
Like the name implies, user.dat is the profile of the current user(s), and if two different users (profiles) are used, then each one is given specific registry keys as per the software they access. Hence, the user.dat is bigger, but the system.dat is smaller because both users are using the same hardware. If there were specific hardware profiles set up, then system.dat may increase as well. Ideally, it reorganizes the registry to optimize the speed of use for each registered profile.
Clear as mud?
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Who needs a life?, I have
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Cheers, Jim
http://members.cnx.net/reboot