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The Windows NT Registry

The Windows Registry is a repository of information about all aspects of the computer—software, hardware, peripherals, applications, operating system, and users. The Registry brings together information that was previously held in files like autoexec.bat, config.sys, and the various .INI files. Information in the Registry is spread over several hives (files) and can be edited using a utility call Regedit. You can start Regedit by selecting Start, Run and typing regedit in the Run window. Regedit has an Explorer-like interface, with the tree to the left and the data to the right, as shown in Figure 10.26. Data in the Registry is organized in a key/value pairing. You can think of keys and subkeys like folders and subfolders, much like a file system structure. The final data structure along the tree is known as a value. By double-clicking the value in the right pane, you can update it.

Figure 10.26. Regedit and its Explorer-like interface.



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