The registry is the central repository of the system and hardware configuration. The data is stored in a structured hierarchy of keys, sub-keys, and named values. These files are referred as hives.
The following files store the registry data in Windows 95, 98 and ME.
- SYSTEM.DAT
- USER.DAT
- POLICY.POL
For Windows NT,2000 and XP the following are the files which contain registry information.
- Security
- System
- Default
- Sam
- Software











