What is the basis for the classification of content in the Windows registry?

The Windows registry only had the ability to record file extensions and corresponding open programs, and the other system settings were saved in it, and then developed to Windows 95, and the registration performance changed to what it is now.

The original file extension information is stored in the hkey classes root

Your user information (the setting options of the software you installed, your hardware settings, etc.) exists in the hkey current user, and the commonly used software below is used very frequently, which is generally classified by company name, and various settings are stored in detail, among which Microsoft Windows is used particularly frequently.

The hkey local machine is the same as the hkey current user, but the stored information is valid for all users of the computer.

The hkey current config also stores some information about hardware settings, system configurations, and more.

Of course, it depends on your system!!

Composition of the registry.

The registry is a database that stores the machine's hardware and software information and parameter configurations. Physically, it appears as and two files (these two files can be found under the Windows system path, usually C: Windows).

Under win98, there are six main fields in the registry tree. Here is just a brief introduction to the functions of each item.

hkey_classes_root

This field contains all document type information and OLE (Object Linking and Embedding) information registered in the current system. When we use the View | in the Resource BrowserFolder Options|File Type", the system reads the document type information for this field. OLE information is used for OLE programs or OLE operations.

The field is actually a copy of the hkey local machine software classes.

hkey_current_user

This field records the configuration information of the currently logged-in user. Win98 supports multiple users, when different users log in, this field is changed accordingly. Content includes control panels, keyboard layouts, networking, remote control, software, and more.

The field is hkey usersdefault.

hkey_local_machine

This field is the most important for the manuscript. It stores all the hardware information and system configuration parameters of the computer. Eight subfields are set below.

where config describes fonts, printers, and other information; driver is related to the driver; ENUM stores all the information about plug-and-play devices and BIOS; hardware lists the interface information of all hardware; network reflects the user's network usage status; security is related to the security of the system; software corresponds to each software installed in the system, and the corresponding fields are automatically deleted when the installation is reversed; system includes all parameter settings for the current system.

hkey_users

This is a record of the settings of all users on this machine.

hkey_current_config

It includes configuration information for fonts, BIOS, operating system, printers, etc. This field is a copy of the hkey local machine config. Sen nuclear letter.

hkey_dyn_data

This field records the current memory settings and usage.