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Windows Admin Scripting Little Black Book- P9

Windows Admin Scripting Little Black Book- P9:This book may not be duplicated in any way without the express written consent of the publisher, except in the form of brief excerpts or quotations for the purposes of review. The information contained herein is for the personal use of the reader and may not be incorporated in any commercial programs, other books, databases, or any kind of software without written consent of the publisher. Making copies of this book or any portion for any purpose other than your own is a violation of United States copyright laws | HKEY_LOCAL_MACHINE HKEY_USERS HKEY_CURRENT_CONFIG HKEY_DYN_DATA Windows 9x only These hives store all the keys subfolders that make up the registry. These keys store all the values entries which specify all the individual system settings. HKEY_LOCAL_MACHINE HKEY_LOCAL_MACHINE HKLM stores all software hardware network security and Windows system information. This hive is the largest registry hive and stores two of the main registry hives. HKEY_CLASSES_ROOT HKEY_CLASSES_ROOT HKCR is actually a virtual link to HKLM Software Classes. This hive stores information about all file extensions descriptions icons associations shortcuts automation class IDs and more. HKEY_USERS HKEY_USERS HKU stores information about all users of the system and their individual settings. These individual settings include environment variables color schemes fonts icons desktop configuration Start menu items network and more. Each time a new user logs on a new key is created based on a default key. HKEY_CURRENT_USER HKEY_CURRENT_USER HKCU is actually a link to the currently logged-in user s key stored in HKEY_USERS. This hive is named by the user s SID Security Identifier value and not by the user s name. This key is rebuilt each time the system reboots. HKEY_CURRENT_CONFIG HKEY_CURRENT_CONFIG HKCC is actually a link to the currently selected hardware profile stored in HKEY_LOCAL_MACHINE. Hardware profiles allow you to specify which device drivers are to be loaded for a given Windows session. Hardware profiles are commonly used with laptops to distinguish RAS network and local Windows sessions. HKEY_DYN_DATA HKEY_DYN_DATA HKDD is not permanently stored in the registry but rather written dynamically when the system boots up. This hive stores information about any plug-and-play devices detected at system bootup. Registry Data Types Like any other database the registry contains various data types to store different types of values. Table 5.1 from Windows 2000 Registry Little Black Book .