说明：  本书是被誉为UNIX编程“圣经”的Advanced Programming in the UNIX Environment一书的更新版。 本书内容权威，概念清晰，阐述精辟，对于所有层次UNIX程序员都是一本不可或缺的参考书。
(This book is an updated edition of Advanced Programming in the UNIX Environment, known as the "Bible" of UNIX programming. This book is authoritative, clear-cut concepts, elaborate, for all levels of UNIX programmers are an indispensable reference book.)