One . The registry

The registry is actually a database that stores system configuration information .
Some configuration data of early computers were used for ini Stored in the configuration file at the end , Today these ini The configuration file can still be found in our system , However, this configuration method is not very convenient , So in windows95 The operating system appeared later A database called registry , Used to store system configuration information .
There are five trees in the registry , Here's the picture ：

Their functions are respectively :

• HKEY_CLASSES_ROOT： Information necessary for the application to run
• HKEY_CURRENT_USER： Record the profile of the currently logged in user
• HKEY_LOCAL_MACHINE： Computer local system information
• HKEY_USERS： Record user configuration information
• HKEY_CURRENT_CONFIG： Details of all configuration files

Two . Registry maintenance

1. Backup registry

First, through WIN+R Open the run command box
Type in regedit Open the registry

In the file options, select export

2. Import registry

Method 1 ：
Select import options Method 2 ：
Double click the previously exported registry

3. Disable registry

stay HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System Under the new DWORD term DisableRegistryTools And change its value to 1, Here's the picture ：

When this item is set , The value of the above item needs to be changed to 0 To open the registry again
Be careful ： When this item is set , After the registry is closed, it will be locked and cannot be opened , Its value cannot be set to 0, Third party tools are required to unlock （ for example ：registry workshop）

Okay , The above is all about the introduction and maintenance of the registry , Thank you for watching , Ask for praise, collection and comment
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