熟悉主存的分配与回收。理解在不同的存储管理方式下，如何实现主存空间的分配与回收。掌握动态分区分配方式中的数据结构和分配算法及动态分区存储管理方式及其实现过程-Familiar with the main memory allocation and recovery. Understanding of storage management in a different way, how to achieve the main memory space allocation and recycling. Way to master the dynamic partition data structure and distribution of dynamic partitioning algorithm and its implementation process memory management