In the first part, Chapter 1. the dissertation introduced the cause of this research and some information of File Allocation Problem.Chapter 2 expresses the conception and specialty of the DOS.

• 第二章说明了数字有机体系统(DOS)的概念和特点并简要介绍了数字有机体的两大基础子系统：数字有机体操作系统和数字有机体数据库系统。