update 2020-03-08

Author: wyfcyx

README.md

@@ -2,7 +2,13 @@
 
 由于本文档还不稳定，有时会有更新，更新信息会第一时间放在这里。由于文档不稳定引起的问题不会导致扣分。
 
-> **[info] 最后更新日期：2020-03-07**
+> **[info] 最后更新日期：2020-03-08**
+>
+> **2020-03-08**
+>
+> 在第九章第四小节中，MacOS 平台的同学在通过 ``dd`` 命令将 ``temp`` 文件打包到用户镜像中的时候，应该使用 ``bs=1k`` 而非 ``bs=1K`` 。在文档中已经修改，但代码没有修改。如果有 ``dd`` 命令报错的同学请注意。
+>
+> 对于在做 lab2/3 而 tutorial 进度已经达到第八章第二小节的同学，在练习题的主页提供了一种修改原版代码的方式，以通过评测脚本测试 lab2/3 。
 >
 > **2020-03-07**
 >
@@ -28,7 +34,7 @@
 >
 > 在练习五的描述中，将 `sys_fork` 的 syscall id 设定为 $$220$$；
 >
-> 在联系六中增加了测试文件需要用到的 syscall id；
+> 在练习六中增加了测试文件需要用到的 syscall id；
 >
 > 重写了练习八，新增了练习八的测试程序。
 >

chapter9/part4.md

@@ -114,7 +114,7 @@ pub fn putchar(ch: char) {
 ```diff
 //  usr/Makefile
 $(sfsimg): rcore-fs-fuse rust
-+   @dd if=/dev/zero of=$(out_dir)/temp bs=1K count=2
++   @dd if=/dev/zero of=$(out_dir)/temp bs=1k count=2
 	@rcore-fs-fuse --fs sfs $@ $(out_dir) zip 
 ```
 

docs/appendix/inline_asm.html

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docs/appendix/install_rust.html

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docs/appendix/introduction.html

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docs/chapter0/introduction.html

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