设计进程控制块PCB表结构，适用于多级队列反馈调度算法。-Design process control block PCB table structure for multi-level feedback queue scheduling algorithm.

在Java环境中，实现进程调度算法，进程控制块PCB表结构，适用于多级队列反馈调度算法-In the Java environment, course scheduling, process control blocks PCB table structure for multi-level feedback queue scheduling algorithm

nachos线程管理模块升级，实现了多种方法管理线程，包括“优先级调度”、“多级队列”等-nachos thread management module upgrade, to achieve a variety of ways to manage threads, including " priority scheduling," " multi-level queue" and so on