本次实验的目的主要是通过研究并独立完成用位示图法编程实现磁盘块的分配，并理解其他三个模块,更好地掌握操作系统的原理及实现方法,加深了对操作系统基础理论知识和重要算法的理解，加强动手能力。-The main purpose of this experiment is done through independent study and map display method using programmed bit disk block allocation, and to understand the other three modules, the operating system to better grasp the principles and implementation, better understanding of the basic operating system theory knowledge and critical understanding of the algorithm, to enhance practical ability.