Caching occurs under the direction of the Cache Manager, which operates continuously while Windows is running.įile data in the system file cache is written to the disk at intervals determined by the operating system. Correspondingly, write operations write file data to the system file cache rather than to the disk, and this type of cache is referred to as a write-back cache. This implies that read operations read file data from an area in system memory, known as the system file cache, rather than from the physical disk.
By default, Windows caches file data that is read from disks and written to disks.
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