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fix: 修复了 ln 指令对于软硬连接的错误参数 #5

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Merged
SpriCoder merged 1 commit into from
Apr 11, 2023
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fix: 修复了 ln 指令对于软硬连接的错误参数 #5

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6 changes: 3 additions & 3 deletions 2021-Linux-Programming/Exam1-重点.md
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Expand Up @@ -606,7 +606,7 @@ clean:
2. VFS：Virtual File System Switch

| ![](https://spricoder.oss-cn-shanghai.aliyuncs.com/2021-Linux-Programming/img/exam1/4.png) | ![](https://spricoder.oss-cn-shanghai.aliyuncs.com/2021-Linux-Programming/img/exam1/5.png) |
| -------------------- | -------------------- |
| ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ |

### 4.3.2. VFS在系统内建立的四种结构体和含义
1. 超级块(super block)：某一个磁盘的某一个分区的文件系统的信息，记录了文件系统类型和参数。
Expand All @@ -619,12 +619,12 @@ clean:
1. 不同的文件名对应同一个inode
2. 不能跨越文件系统
3. 对应系统调用link
4. ln -s [原文件名] [连接文件名]
4. ln [原文件名] [连接文件名]
2. 软链接
1. 存储被链接文件的文件名(而不是inode)实现链接
2. 可以跨越文件系统
3. 对应系统调用symlink
4. ln [原文件名] [连接文件名]
4. ln -s [原文件名] [连接文件名]

## 4.5. 系统调用和C库区别
1. 都以C库函数的形式出现
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