What are the registry commands?

The registry is a core database in the Windows operating system, which saves the configuration information of the system and applications. Its commands are 1, reg, which are used to perform various operations, such as query, export, import, and add , delete, update, rename and copy registry key and value data; 2. regedit, used to open the registry editor, browse and modify registry data graphically, you can use this tool to export, import and back up the registry Data

#The registry is a core database in the Windows operating system, which stores the configuration information of the system and applications. The following commands can be used in the command line to manage the registry:

1. reg: used to perform various operations such as query, export, import, add, delete, update, rename and Copies registry key and value data.

   • Query the specified key or value:

   reg query 键名 /v 值名

   For example: reg query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows /v ProgramFilesDir will display the path to the Windows installation directory.

   • Export keys or values ​​to a file:

   reg export 键名 文件名.reg

   For example: reg export HKEY_CURRENT_USER\Software\Microsoft\DesktopWindowManager DWM.reg will export the current user's desktop window manager settings to the DWM.reg file.

   • Import keys or values ​​from a file:

   reg import 文件名.reg

   For example: reg import DWM.reg will import the registry settings in the DWM.reg file.

   • Add or modify key or value:

   reg add 键名 /v 值名 /t 类型 /d 数据 [/f]

   For example: reg add HKCU\Software\MyApp /v Version /t REG_SZ /d "1.0" /f will add A string value to the current user's MyApp key.

   • Delete key or value:

   reg delete 键名 [/v 值名] [/f]

   For example: reg delete HKEY_CURRENT_USER\Software\MyApp /f will delete the current user's MyApp key and its subkeys and values.

2. regedit: Used to open the Registry Editor to browse and modify registry data graphically. You can use this tool to export, import, and back up registry data.

   • Open the registry editor:

   regedit

   • Export the registry branch to a file:
   1. Open the registry Editor and select the branch you want to export.
   2. Click the "File" menu and select "Export".
   3. Specify the saved file name and location and save.
   • Import registry branch from file:
   1. Open Registry Editor and select the branch you want to import.
   2. Click the "File" menu and select "Import".
   3. Select the file to import and click "Open".

The above are common registry commands and operations that allow you to manage the Windows registry from the command line or Registry Editor.

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