The Prefetcher is a component of Microsoft Windows which was introduced in Windows XP. It is a component of the Session Manager Subsystem that can speed up the Windows boot process and shorten the amount of time it takes to start up programs. It accomplishes this by caching files that are needed by an application to RAM as the application is launched, thus consolidating disk reads and reducing disk seeks.
The Prefetcher is a component of Microsoft Windows which was introduced in Windows XP. It is a component of the Session Manager Subsystem that can speed up the Windows boot process and shorten the amount of time it takes to start up programs. It accomplishes this by caching files that are needed by an application to RAM as the application is launched, thus consolidating disk reads and reducing disk seeks.
Source: Wikipedia "Prefetcher" · CC BY-SA 4.0
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