【摘要】 该文从任务调度、存储管理、中断和操作系统与用户的接口等4个部分出发，讨论了嵌入式操作系统与一般的操作系统的相同与不同之处，这4个部分是组成一个操作系统最重要的组成部分。从而得出要设计、选择一个好的嵌入式操作系统，必须从被嵌入系统的需求出发，根据实际的应用来设计、选择嵌入式操作系统。更多还原

【Abstract】 This paper discusses the similarity and diference of the general operating system and the embedded operating system from the four aspects including process scheduling, memory management, interrupt handling and the interface between operahng system and user.From the discussion, the conclusion is drawn that the design or selechon of a good embedded operating system must be based on the requirement of the real application system.更多还原