prefetch is a pre-read folder, which is used to store pre-read information of files that have been accessed by the system. The extension is PF. The reason why the Prefetch folder is automatically created is to speed up the system startup process.
The operating environment of this article: Windows 7 system, Dell G3 computer.
Pre-read folder. Used to store pre-read information of files that have been accessed by the system, with an extension of PF. The reason why the Prefetch folder is automatically created is to speed up the system startup process. XP's prefetch data should be deleted periodically, but in Vista it's best to just leave it alone.
The reason why Windows automatically creates the Prefetch folder is to speed up the system startup process. Windows will automatically record every program that runs at startup and use this data to speed up the next startup time.
There are thousands of programs in the computer. It is not surprising even if there are programs with the same name. In this case, the system will automatically add a "suffix" after the program name, which is Why do some file names have a series of numbers, letters and... The reason for the extension of pf.
Over time, a lot of garbage will naturally accumulate in the Prefetch folder. Especially if the user frequently changes the computer configuration, the process data previously recorded by the system will be of no use. You can empty the Prefetch folder because Windows will automatically recreate it.
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