TCP/IP基本协议，可用于通信中的编程，书中对流程有详细的解释-TCP/IP basic agreement, can be used for communication in the programming, the book has a detailed explanation of the process

详细的socket编程流程，多线程，tcp协议，-Detailed socket programming process, multi-threaded, tcp protocol,

NFS工作流程图，对NFS的注册、挂载、读取等操作的流程做了详细描述。-nfs protocl sequence diagram, includes register,mount,read and so on.