说明：  该书详细介绍了linux进程之间通信的几种方式：信号，管道，共享内存等几种方式，并附有详细的实例，是一本不错的新手入门的电子书。
(The book details the process of communication between linux in several ways: signals, pipes, shared memory, such as a number of ways, with detailed examples are a good green hand of the e-book entry.)