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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg>
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<h1 id="mit-6s081-operating-system-engineering">MIT 6.S081: Operating System Engineering</h1>
<h2 id="_1">课程简介</h2>
<ul>
<li>所属大学：麻省理工学院</li>
<li>先修要求：体系结构 + 扎实的 C 语言功底 + RISC-V 汇编语言</li>
<li>编程语言：C, RISC-V</li>
<li>课程难度：🌟🌟🌟🌟🌟</li>
<li>预计学时：150 小时</li>
</ul>
<p>麻省理工学院大名鼎鼎的 PDOS 实验室开设的面向MIT本科生的操作系统课程。开设这门课的教授之一 —— Robert Morris 教授曾是一位顶尖黑客，世界上第一个蠕虫病毒 Morris 就是出自他之手。</p>
<p>这门课的前身是 MIT 著名的课程 6.828，MIT 的几位教授为了这门课曾专门开发了一个基于 x86 的教学用操作系统 JOS，被众多名校作为自己的操统课程实验。但随着 RISC-V 的横空出世，这几位教授又基于 RISC-V 开发了一个新的教学用操作系统 xv6，并开设了 MIT6.S081 这门课。由于 RISC-V 轻便易学的特点，学生不需要像此前 JOS 一样纠结于众多 x86 “特有的”为了兼容而遗留下来的复杂机制，而可以专注于操作系统层面的开发。</p>
<p>这几位教授还专门写了一本<a href="https://pdos.csail.mit.edu/6.828/2021/xv6/book-riscv-rev2.pdf">教程</a>，详细讲解了 xv6 的设计思想和实现细节。</p>
<p>这门课的讲授也很有意思，老师会带着学生依照 xv6 的源代码去理解操作系统的众多机制和设计细节，而不是停留于理论知识。每周都会有一个 lab，让你在 xv6 上增加一些新的机制和特性，非常注重学生动手能力的培养。整个学期一共有 11 个 lab，让你全方位地深刻理解操作系统的每个部分，非常有成就感。而且所有的lab都有着非常完善的测试框架，有的测试代码甚至上千行，让人不得不佩服 MIT 的几位教授为了教好这门课所付出的心血。</p>
<p>这门课的后半程会讲授操作系统领域的多篇经典论文，涉及文件系统、系统安全、网络、虚拟化等等多个主题，让你有机会接触到学界最前沿的研究方向。</p>
<h2 id="_2">课程资源</h2>
<ul>
<li>课程网站：<a href="https://pdos.csail.mit.edu/6.828/2021/schedule.html">https://pdos.csail.mit.edu/6.828/2021/schedule.html</a></li>
<li>课程视频：<a href="https://www.youtube.com/watch?v=L6YqHxYHa7A">https://www.youtube.com/watch?v=L6YqHxYHa7A</a>，每节课的链接详见课程网站</li>
<li>课程视频翻译文档：<a href="https://mit-public-courses-cn-translatio.gitbook.io/mit6-s081/">https://mit-public-courses-cn-translatio.gitbook.io/mit6-s081/</a></li>
<li>课程教材：<a href="https://pdos.csail.mit.edu/6.828/2021/xv6/book-riscv-rev2.pdf">https://pdos.csail.mit.edu/6.828/2021/xv6/book-riscv-rev2.pdf</a></li>
<li>课程作业：<a href="https://pdos.csail.mit.edu/6.828/2021/schedule.html">https://pdos.csail.mit.edu/6.828/2021/schedule.html</a>，11个lab，具体要求详见课程网站</li>
</ul>
<h2 id="xv6">xv6 补充资源</h2>
<ul>
<li><a href="https://space.bilibili.com/1040264970/">xv6 操作系统的深入讲解</a></li>
<li><a href="https://th0ar.gitbooks.io/xv6-chinese/content/index.html">xv6 中文文档</a></li>
</ul>
<h2 id="_3">资源汇总</h2>
<p>我在学习这门课中用到的所有资源和作业实现都汇总在 <a href="https://github.com/PKUFlyingPig/MIT6.S081-2020fall">PKUFlyingPig/MIT6.S081-2020fall - GitHub</a> 中。此外也可以参考 <a href="https://github.com/KuangjuX">KuangjuX</a> 实现的 MIT 6.S081 的几个 lab 的<a href="https://github.com/KuangjuX/xv6-riscv-solution">题解</a>，里面亦有详细的解法和补充知识，另外，<a href="https://github.com/KuangjuX">KuangjuX</a> 还使用 Rust 语言重新实现过 xv6-riscv 操作系统：<a href="https://github.com/Ko-oK-OS/xv6-rust">xv6-rust</a>，里面对于 xv6-riscv 有更为详细的思考和讨论，感兴趣的同学可以看一下哦。</p>
<h3 id="_4">一些可以参考的博客</h3>
<ul>
<li><a href="http://doraemonzzz.com/tags/6-S081/">doraemonzzz</a></li>
<li><a href="https://fanxiao.tech/posts/MIT-6S081-notes/">Xiao Fan (樊潇)</a></li>
<li><a href="https://blog.miigon.net/categories/mit6-s081/">Miigon's blog</a></li>
<li><a href="https://walkerzf.github.io/categories/6-S081/index.html">Zhou Fang</a></li>
<li><a href="https://www.yichuny.page/tags/Operating%20System">Yichun's Blog</a></li>
<li><a href="https://blog.csdn.net/u013577996/article/details/108679997">解析Ta</a></li>
<li><a href="https://github.com/PKUFlyingPig/MIT6.S081-2020fall">PKUFlyingPig</a></li>
<li><a href="https://www.cnblogs.com/weijunji/tag/XV6/">星遥见</a></li>
</ul>
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