说明：  本书面向操作系统基础知识薄弱，但又想把操作系统搞清楚、喜欢刨根问底的技术人，在此向你们致敬，本书用诙谐幽默的语言，把深奥的操作系统尽量讲解清楚，读者在轻松阅读中就学通了深奥的知识，是一本难得的好书。
(This book is aimed at the technical personnel who are weak in basic knowledge of operating system, but want to make clear the operating system and like to get to the bottom of the matter. Here, we salute you. This book uses humorous language to explain the profound operating system as far as possible. Readers can learn profound knowledge in easy reading, which is a rare good book.)