Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.

大多数文件系统都通过缓冲区缓存来相互通信，这种缓存通过缓存最近使用的数据来优化对物理设备的访问。

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Buffer Cache - Memory allocated for storing data blocks read from physical data files.

缓冲区缓存——为存储从物理数据文件读取的数据块而分配的内存。

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DB2 USES buffer pools to cache the table and index data as they are being read or written to the hard disk drive.

当从硬盘驱动器读写表和索引数据时，DB 2使用缓冲池来缓存它们。

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