这是一款开关机程序，可以管理系统的关机、注销、重启、强制关机等，还可实现定时功能，用户可预先定时。...

代码说明：

这是一款开关机程序，可以管理系统的关机、注销、重启、强制关机等，还可实现定时功能，用户可预先定时。-This is a switch machine procedures, management systems can be shut down, write-off, restart, shutdown, such as mandatory, but also achieve the timing function, the user can advance from time to time.