The structure and size of a file depends on the underlying file system—the subsystem that persists the file data to a physical device.

文件的结构和大小取决于底层文件系统 — 即把文件数据存储到物理设备上的子系统。

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For example, LogFS maintains a tree structure on the flash device itself so that the mount times are similar to traditional file systems, such as ext2.

例如，LogFS在flash设备中保持了一个树结构，因此挂载时间和传统的文件系统差不多(比如ext2)。

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This paper presents the storage device sector location and FAT document structure. Then it introduces how to design the FAT file management system in embedded system.

介绍了存储设备的分区以及FAT文件结构，并给出了在嵌入式系统中，实现FAT文件系统的方法。

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