内存管理模拟实现——实存页式：跟据内存管理实存页式的工作原理，模拟实现实存页式的内存管理，使用C 语言编制了模拟实现的的程序。-memory management simulation -- real page-style : According to the memory management real page-work principle Simulation real page-memory management, the use of C language simulation of the process.