The Registry

CAUTION: Making Changes to the Registry is for advanced users only. It is strongly recommend you back up the KEY you are modifying before changing it. There is no fall back or advanced warning. Changes take effect immediately when you make them. NO SECOND CHANCE.

WHAT IS THE REGISTRY?

The Registry is one of the least known areas of a Microsoft Operating System. Working on the Registry gives you more control over the Operating System.

The Registry is the central repository for configuration data, user settings and machine dependent settings. It keeps track of installed programs, program interactions, hardware configuration, individual user preferences, and system customisations. Most of the information in the Registry is placed there automatically by Windows and by utilities and applications via their setup routines and optional settings. It is possible to directly edit the Registry. The Registry is organised as a hierarchical database. The information is stored in a tree like structure, similar to the folders, subfolders and files you are familiar with through using Windows Explorer. In the Registry, the hierarchy goes KEY; SUB KEY; VALUE, with each key having one or more sub keys and each sub key containing a value. Each value is stored with a value name and value data; the data also has a data type which identifies the kind of information string stored in the value. There are six main keys also know as the ROOT KEYS:

HKEY_CLASSES_ROOT

HKEY_CURRENT_USER

HKEY_LOCAL_MACHINE

HKEY_USERS

HKEY_CURRENT-CONFIG

HKEY_DYN_DATA

Shown below is a screen shot of the Registry with some of the Root Keys Expanded.

Registry

 

Don't go there unless you know what your doing.

More about the Registry

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