This is the additional folder of the system, which is used to store files of additional functions of the system.
AppPatch folder
This is the application patch backup folder, which is used to store application patch files.
Configuration folder
This is the system configuration folder, which is used to store some temporary configuration files of the system.
Connect wizard folder
As can be seen from the name, this is the connection wizard folder, which is used to store the related files of the Internet connection wizard.
Secure folder
This is the system security folder, which is used to store important data files of the system.
Srchasst folder
This is the search assistant folder, which is used to store system search assistant files, similar to the msagent folder.
System folder
This is the system folder for storing system virtual device files. These files logically create a complete set of virtual devices for the system at startup, especially when hardware drivers are not installed.
Driver cache folder
This is the driver cache folder, which is used to store driver files for hardware known to the system. After the Windows operating system is installed by default, there will be an "i386" folder with a file named "driver.cab", which is the driver library file of the known hardware that comes with the Windows operating system.
Many articles on the network say that this driver library file can be deleted to save space, but after deletion, there will be many inconveniences, such as using USB devices and installing drivers. Therefore, it is recommended not to delete this file.
Font folder
This is the font folder, which is used to store font files that will be used by the system. Fonts newly installed by users themselves will also be stored in this folder.
Among them, there are many English font types, while the simplified Chinese font file only includes four types: imitation Song, bold, italic, Song Song and New Song, that is, GB23 12 in computer coding. You can delete some English fonts that are not commonly used.
Inf folder
This folder is used to store INF files. INF is a plain text file with a specific format, and its most common application is to provide driver services for hardware devices. Deleting these files is not recommended.
Setup folder
This is used to store MSI files or temporary files needed for program installation. MSI file is the installation package of Windows system. Right-click the file and you can choose to install or uninstall the program in the right-click menu. Some programs must use MSI files when uninstalling, so deleting files in this folder is not recommended.
Java folder
It is used to store components running in Java and their program files. It is best not to delete files in this folder.
Media folder
This is the media folder, which is used to store the default sound files (WAV format) of the system, such as the sound when the system logs in. If you like the mute system, you can delete the sound file here.
Msagent folder
This is the Microsoft Assistant folder, which is used to store some dynamic cartoon images to help you use the system better. Just like the assistant in the Office, I just deleted it when I felt it was unnecessary.
Msapps folder
This is the Microsoft application folder.
Mui folder
This is a multilingual language pack folder for storing multilingual files. MUI means multilingual interface, which supports more languages. In Simplified Chinese system, this folder is empty by default, but deleting this folder is not recommended.
Prefetch folder
This is a pre-reading folder, which is used to store the pre-reading information of files that have been accessed by the system (this information is new information automatically generated when the system accesses) to speed up the access speed of files, and the extension is "PF". You can delete files in this folder.
Pss folder
This is used to back up the system startup configuration file. Generally, three files such as "Boot.ini", "System.ini" and "Win.ini" will be backed up with the extension "backup". If the original three files of the system have an accident, they can be renamed and restored from here. From the above description, we can see the importance here, so it is not recommended to delete it.
Register folder
This is the registration folder, which is used to store the related files registered by the system com++ or other components. Deleting files here is not recommended.
Offline webpage folder
This is the storage location for offline browsing files. When the website is set to allow offline use, the corresponding files will be generated in this folder. You can delete files here, but the offline browsing function of the corresponding site will be invalid.
System32 folder
This is a 32-bit system folder for storing important system files. At the same time, some applications will copy their corresponding supporting files to this folder when they are installed, so we strongly oppose deleting the files under this folder or under this folder. Because there are many files in this folder and under this folder, we can't discuss them one by one. Only some representative folders and files are listed.
① CatRoot: a directory for storing computer startup test information, including hardware and software information detected when the computer starts.
② Com: used to store component service files. Running "comexp.msc" will open the component service console.
③ DllCache: used to store system cache files. When the original system file is replaced, the file protection mechanism will copy the backed-up system file to this folder to overwrite the non-system file. You can use the "SFC \SCANNOW" command format to scan system files, and then you can delete all files under it.
④ Driver: used to store hardware driver files. If the file is deleted, the hardware will lose its driver and become invalid.
⑤ IME: used to store system input method files, similar to IME folders.
⑥oobe: used to store the activation information of the system.
⑦ Restore: used to store system restore files. Double-click to run the rstrui.exe file, and the system recovery function will be called.
⑧Setup: used to store system installation files.
Pet-name ruby ⑨spool: used to store system print files. Include printing color, printing pre-storage, etc.
Attending ⑩wbem: used to store WMI test programs, view and change public information model classes, instances and methods. This is an important system file and cannot be deleted.
MSC class file (service console class file):
Certmgr.msc certificate service
Ciadv.msc indexing service
Master of Science in Computer Management
Devmgmt.msc device manager
Defragmentation of dfrg.msc disk
Diskmgmt.msc disk management
Eventvwr.msc event viewer
Fsmgmt.msc *** Shared folder
Gpedit.msc group policy
Lusrmgr.msc local users and groups
Ntmsmgr.msc removable storage
Ntmsoprq.msc Removable Storage Administrator Operation Request
Perfmon.msc computer performance
Rsop.msc result set of group policy
Secpol.msc local security settings
Services.msc service
WMImgmt.msc Windows management architecture (wmi)
Executable files (due to too many files, only some files are listed):
Accwiz.exe Accessibility Wizard
Cleanmgr.exe disk cleaning tool
Clipbrd.exe scrapbook viewer
Cmd.exe command line
Drwtsn32.exe Windows Debugger
Dxdiag.exe DirectX diagnostic tool
Eventvwr.exe Event Viewer
Freecell.exe freecell (Game)
Magnifying magnifying glass
Mmc.exe console
Mplay32.exe Media Player
Msg.exe message management
Mshearts.exe Hearts (Game)
Mspaint.exe paints.
Notepad.exe Notepad
Nslookup.exe IP address viewer
Ntbackup.exe backup restore
Odbcad32.exe odbc data source manager
Osk.exe screen keyboard
Osuninst.exe system unloading tool
Packager.exe Object Packaging
Progman.exe Project Manager
Rasphone.exe network connection
Regedt32.exe registry editor
Shrpubw.exe created a * * * shared folder.
Sndrec32.exe tape recorder
Sigverif.exe document signature verification
Shutdown.exe system shutdown tool
Spider.exe Spider (Game)
Syskey.exe system encryption tool
Syncapp.exe, my briefcase.
Sysedit.exe system configuration editor
Taskmgr.exe task manager
Tourstart.exe Windows Roaming
Utilman.exe Assistant Tool Manager
Verifier.exe Driver Verification Manager
Wiaacmgr.exe scanner and photo guide.
Winchat.exe chats.
Winhlp32.exe system help
Winmine.exe Minesweeping (Game)
Wscript.exe Windows Script Host Settings
Write.exe WordPad
Wupdmgr.exe Windows Online Upgrade
If the add-in is DTE, the Sfc.exe system file scanner Visual StudioAddIns collection. AddIns, this collection contains all these add-ins listed in the Add-in Manager dialog box. Or, if an add-in is the solution. Add-ins, the collection contains all these add-ins loaded by a specific solution.