列出系统当前进程列表，将用户分为管理员模式和访客模式。根据用户要求，如果是访客模式，只可以查询系统正在运行的进程。如果是管理员模式，不仅可以查询正在运行的进程，而且可以指定用户关心的进程为敏感进程，对其进行隐藏保护，使得访客无法正常关闭敏感进程。需要对该敏感进程进入隐藏、正常显示等行为进行记录和统计管理，方便查询。-Lists the system current process list, the users are divided into administrator mode and guest mode. According to user requirements, if the guest mode, you can only query process running system. If an administrator mode, not only can check running processes, and users can specify the process of interest sensitive process, its hidden protected so that visitors can not properly close the sensitive process. The need to hide the sensitive process enters the normal display behavior records and statistics management, easy access.