本程序设计用于模拟实现包括FCFS、SSTF、电梯、scan算法在内的磁盘调度算法，计算出各种算法的磁头移动道数供用户参考比较。-This program is designed for analog realization, including FCFS, SSTF, the elevator, scan the disk scheduling algorithms, including, heads of various algorithms to calculate the number of mobile channel for users to reference comparison.