C:\WINDOWS>REG LOAD /?

Console Registry Tool for Windows - version 3.0
Copyright (C) Microsoft Corp. 1981-2001.  All rights reserved


REG LOAD KeyName FileName

 KeyName    ROOTKEY\SubKey (local machine only)
   ROOTKEY  [ HKLM | HKU ]
   SubKey   The key name to load the hive file into. Creating a new key
 FileName   The name of the hive file to load
            You must use REG SAVE to create this file

Examples:

 REG LOAD HKLM\TempHive TempHive.hiv
   Loads the file TempHive.hiv to the Key HKLM\TempHive



C:\WINDOWS>REG UNLOAD /?

Console Registry Tool for Windows - version 3.0
Copyright (C) Microsoft Corp. 1981-2001.  All rights reserved


REG UNLOAD KeyName

 KeyName    ROOTKEY\SubKey (local machine only)
   ROOTKEY  [ HKLM | HKU ]
   SubKey   The key name of the hive to unload

Examples:

 REG UNLOAD HKLM\TempHive
   Unloads the hive TempHive in HKLM



C:\WINDOWS>REG RESTORE /?

Console Registry Tool for Windows - version 3.0
Copyright (C) Microsoft Corp. 1981-2001.  All rights reserved


REG RESTORE KeyName FileName

 KeyName    ROOTKEY\SubKey (local machine only)
   ROOTKEY  [ HKLM | HKCU | HKCR | HKU | HKCC ]
   SubKey   The full name of a registry key to restore the hive file into.
            Overwriting the existing key's values and subkeys
 FileName   The name of the hive file to restore
            You must use REG SAVE to create this file

Examples:

 REG RESTORE HKLM\Software\Microsoft\ResKit NTRKBkUp.hiv
   Restores the file NTRKBkUp.hiv overwriting the key ResKit