Function of the Windows Registry

Posted on | April 27, 2009 | 1 Comment

windowsregistry
Windows registry is a directory which stores settings and options for Microsoft Windows operating system. Registry contains information and settings for all hardware, software and operating system, non-system software, and settings per user. Registry also provides a window for the operation of the kernel, the runtime information such as performance counters and hardware that is active. Registry of the configuration files *. This is the first time in the system used 16-bit Windows (Windows 3.x).

Next five children of the directory that contains each of the keywords (key) and the key (subkey), which organized the hierarkhi:

HKEY_CLASSES ROOT (HKCR)
Usually used to store information about the application that teregister, such as file associations and Ole (Object linking and Embedding) Object to the Class ID in the application that is used to handle the item. For example, the file documents with the extension. Txt will application by a text editor such as Notepad, WordPad, and so forth.

HKEY_CURRENT_USER (HKCU)
Used to store settings on a specific login user. HKCU is a key link to the subkey of HKEY_USERS (HKU) connect with the user, which saves the user computer configuration information, such as color display or desktop, and so forth. HKU itself is a place where the configuration of each user registered in the computer, and when the user login, the user ID will be matched with those in HKEY_CURRENT_USER.

HKEY_LOCAL_MACHINE
Save the settings that all computer systems, ranging from security, software, system, and hardware, which is applied to the user.

HKEY_CURRENT_CONFIG (HKCC)
Contain information obtained in runtime. The information stored in the permanent key is not stored in the hard disk, but will be refunded when when booting.

HKEY_PERFORMANCE_DATA
Provide information to the runtime performance data provided by the kernel of Windows or other programs that provide performance data. Tertampil key is not in the Registry Editor, but will appear in the registry in Windows API.

HKEY_DYN_DATA
This key is usually no system in Windows 95, Windows 98 and Windows Me. Informas contain about hardware devices, including plug-and-play networks and statistical performance. All information is not stored on the hard disk, and only appear when the startup and only stored in memory.

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