说明：  莱昂氏UNIX源码分析是一本经久不衰的UNIX资料，在经历了多年的知识产权纠纷后，此书终于得以正式出版。其中对汇编及C语言结构的解释极为全面系统。是开源系统程序员必备的资料。
(Lion s Unix source code is a very specific writting due to its content and idea. Many programmers prone to get it as a valueable material for knowing the deepest secret of UNIX.)