让系统开机、关机运行程序的源码，运行一次后无需调用本身，也无需调用其他程序，可以让系统在开机关机时候自动运行程序。这里给出的范例是让系统自动记录开关机时间。-Let the system reboot, shutdown of the source code running the program, run once without calling itself, but also the need to call other programs, you can let the system a

让系统开机、关机运行程序的源码，运行一次后无需调用本身，也无需调用其他程序，可以让系统在开机关机时候自动运行程序。这里给出的范例是让系统自动记录开关机时间。-Let the system reboot, shutdown of the source code running the program, run once without calling itself, but also the need to call other programs, you can let the system a