Special Instructions for this Order » 本命令的特别说明 Interface between process » 进程之间的接口 Tom and Jack are good friends.Tom is very thin,but Jack is quite fat » 汤姆和杰克是好friends.Tom是很瘦，但杰克比较胖 ..
Thethreadsandforksmoduleprovide the sameinterface. Youcanswitchbetweenworkerthreads and workerprocessesbychanginga single wordinyour program. Testit yourself.