The filesystem is the part of your Linux installation responsible for reading and writing files, including those on external devices.

文件系统是你安装的Linux内核的一部分，他负责对包括外部设备上的文件的读写。

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Most system tools on OS X use the Core Foundation framework, which provides (among other things) support for reading and writing files in this format.

OS X上的大部分系统工具使用了核心基础(Core Foundation)结构，它能够提供该格式的读写支持。

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But reading and writing files in unit tests slows tests and requires adding more complexity (like creating a temp directory and cleaning up files after use).

但在单元测试中读和写文件会减缓测试，增加更多的复杂性(如创建临时目录和在使用后清除文件)。

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Samsung is working with Microsoft to define optimum packet sizes and best practices for reading and writing files to SSD as a potential update for Windows Vista, which is particularly optimized to work best with traditional hard drives.

ENGADGET: Vista, OS X updates could bring significant SSD speed gains