磁盘调度设计，磁盘调度算法的实现，包括 先来先服务调度算法,最短寻道优先调度算法法 ,扫描算法,循环扫描算法, N—Step—SCAN算法 已通过测试。

-The design of disk scheduling, disk scheduling algorithm implemented, including the 　 first-come, first-serve scheduling algorithm to 　 shortest seek priority scheduling algorithm method 　 scanning algorithm 　 loop scanning algorithm 　 N-Step-SCAN algorithm has been tested.