几乎所有好玩的Basic程序都遍布着神奇的底层操作，比如说，如果要把屏幕背景色变成黄色的话，就需要修改内存的第714字节。

Almost any interesting Basic program was full of low-level hacks, where one had to poke memory byte 714 to change the screen background color to yellow.

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该机制主要利用字节码重写技术，在不修改主动代码的前提下可以实现服务的强制性终止和针对主体的CPU、内存以及网络带宽的资源监控。

By means of byte code rewritten, the mechanism can forcibly unload the given service and can monitor main CPU, memory and networking bandwidth resources without modifying any of original code.

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