Abstract: μC/OS-II is a very popular embedded operating system nowadays. With high efficiency to carry out, taking up small space, good performance in real-time and strong expansibility characteristic, it is widely used in the industry controlled field. This article introduces the file system. According to the actual conditions of the embedded system while using, it sets up a file systems progressively.

Key words: Embedded system, File system, FAT structure

摘要： μC/OS-II是当今一种十分流行的嵌入式操作系统。由于其具有执行效率高、占用空间小、实时性能优良和可扩展性强等特点，因此被广泛应用于工业控制领域。该文对文件系统进行了简单的介绍，结合嵌入式系统应用中的实际情况，建立起一套简单的文件系统。

关键词: 嵌入式系统, 文件系统, FAT结构