说明：  《UNIX网络编程 卷2:进程间通信(英文版·第2版)》内容详尽且具权威性，几乎每章都提供精选的习题，并提供了部分习题的答案，是网络研究和开发人员理想的参考书。
( UNIX Network Programming Volume 2: (English version of the Second Edition) content is detailed and authoritative, almost every chapter provides a selection of exercises, and provides some of the answers to the exercises, is a good reference for network research and development.)