the design of the unix operating system ，绝对的unix好书，比普通的扫描版体积小，更清晰。

机械工业出版社 陈葆钰 王旭等译 Maurice J.Bach著（中文）pdf格式 学习UNIX操作系统的经典书籍 Linux操作系统的作者就是根据这本书设计了Linux操作系统

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