《Operating System Concepts》阅读笔记：p626-p628

《Operating System Concepts》学习第 56 天，p626-p628 总结，总计 3 页。

一、技术总结

1.code review

A software development method in which the developer submits code to other developers for review and approval.

A software development methodology that can help counter this type of security hole is code review——代码审查也是一种确保代码安全(security)的方式。

2.program threats

program threats 包括： malware, code injection, viruses and worms。

二、英语总结(生词：2)

1.malicious

(1)malicious: mal-("bad, unplesant")

adj. intended to harm or upset(恶意的)。

(2)示例

A program that acts in a clandestine or malicious manner, rather than simply performing its stated function, is called a Trojan horse(《Operating System Concepts》第 625 页)。

2.escalate

(1)escalate: e-(为了发音方便) + scala("ladder")

vi/vt. Escalate originally means "to climb using a ladder", overtime, it evolves to mean "to increase".

(2)escalator

c. a moving staircase consisting of an endlessly circulating belt of steps driven by a motor, conveying people between the floors of a public building(自动扶梯)。

(3)示例

If the program is executed in another domain, it can escalate privileges(《Operating System Concepts》第 625 页)。

关于英语的注解同步更新汇总到 https://github.com/codists/English-In-CS-Books 仓库。

三、其它

对于不熟悉的领域，好多不熟悉的生词、术语，阅读起来很慢。but, 这样太慢了，还是快速过一遍比较好。

四、参考资料

1. 编程

(1) Abraham Silberschatz，Peter Baer Galvin，Greg Gagne《Operating System Concepts》：https://book.douban.com/subject/30272539/

2. 英语

(1) Etymology Dictionary：https://www.etymonline.com

(2) Cambridge Dictionary：https://dictionary.cambridge.org

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