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<h1 id="cs162-operating-system">CS162: Operating System</h1>
<h2 id="_1">课程简介</h2>
<ul>
<li>所属大学：UC Berkeley</li>
<li>先修要求：CS61A, CS61B, CS61C</li>
<li>编程语言：C，X86汇编</li>
<li>课程难度：🌟🌟🌟🌟🌟🌟</li>
<li>预计学时：200小时+，上不封顶</li>
</ul>
<p>这门课让我记忆犹新的有两个部分：</p>
<p>首先是教材，这本书用的教材<code>Operating Systems: Principles and Practice (2nd Edition)</code>一共四卷，写得
非常深入浅出，很好地弥补了MIT6.S081在理论知识上些许空白，非常建议大家阅读。相关资源会分享在本书的经典书籍推荐模块。</p>
<p>其次是这门课的Project —— Pintos。Pintos是由Ben Pfaff等人基于X86编写的教学用操作系统，Ben Pfaff甚至专门发了篇
<a href="https://benpfaff.org/papers/pintos.pdf">paper</a>来阐述Pintos的设计思想。和MIT的xv6小而精的lab设计理念不同，
Pintos更注重系统的Design and Implementation。Pintos本身仅一万行左右，只提供了操作系统最基本的功能。而4个Project，就是让你在这个极为精简的操作系统之上，分别为其增加线程调度机制（Project1），系统调用（Project2），虚拟内存（Project3）以及文件系统（Project4）。所有的Project都给学生留有很大的设计空间，总代码量在5000行以上。根据Stanford学生<a href="https://www.quora.com/What-is-it-like-to-take-CS-140-Operating-Systems-at-Stanford">自己的反馈</a>，在3-4人组队的情况下，后两个Project的人均耗时也在40个小时以上。</p>
<p>虽然其难度很大，但Stanford，Berkeley，JHU等多所美国顶尖名校的操统课程均采用了Pintos。因为如果你真的对操作系统很感兴趣，Pintos会极大地提高你编写和debug底层系统代码的能力。在本科阶段，能自己设计、实现并debug一个大型系统，是一段非常珍贵的经历。</p>
<p>北大2022年春季学期的操作系统实验班也将会首次引入Pintos作为课程project，我作为这门课的TA，顶着被口水淹没的风险，依旧希望能用这样的尝试，让更多人爱上系统领域，为国内的系统研究添砖加瓦。</p>
<h2 id="_2">课程资源</h2>
<ul>
<li><a href="https://cs162.org/">课程网站</a></li>
<li><a href="https://www.youtube.com/watch?v=YfHY0pvpRkk">课程视频</a>：每节课的链接参见课程网站</li>
<li>课程教材：<a href="http://ospp.cs.washington.edu/">Operating Systems: Principles and Practice (2nd Edition)</a></li>
<li><a href="https://cs162.org/">课程作业</a>：6个homework，3个project，具体要求参见课程网站</li>
</ul>
<h2 id="_3">资源汇总</h2>
<p>由于北大的操统实验班采用了该课程的project，为了防止代码抄袭，我的代码实现没有开源。</p>
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