Linux操作系统基础教程。包括linux基础，基础进阶，网络服务等。-Essentials Linux operating system. Including linux foundation, based on advanced, network services and so on.

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Everything you need to know about Linux is right in this book. The latest edition of this popular reference offers a tighter focus on Linux system essentials, as well as more coverage of new capabilities such as wireless network management, DVD recor