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 ## 操作系统
 - [Operating Systems: Three Easy Pieces](https://pages.cs.wisc.edu/~remzi/OSTEP/)
 - Operating Systems: Principles and Practice (2nd Edition)
+- [现代操作系统: 原理与实现 (银杏书)](https://ipads.se.sjtu.edu.cn/mospi/)
 ## 计算机网络
 - [Computer Networks: A Systems Approach](https://book.systemsapproach.org/foreword.html)
 - Computer Networking: A Top-Down Approach
 ## 编译原理
 - [My First Language Frontend with LLVM Tutorial](https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/index.html)
-- 龙书
+- Compilers: Principles, Techniques, and Tools (Dragon Book)
 ## 计算机语言（PL）
 - Essentials of Programming Languages (EOPL)
-- Types and Programming Languages (TAPL) (https://www.cis.upenn.edu/~bcpierce/tapl/)
+- [Types and Programming Languages (TAPL)](https://www.cis.upenn.edu/~bcpierce/tapl/)
 ## 体系结构
 - Computer Architecture: A Quantitative Approach 5th Edition
 ## 分布式系统