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15 changes: 15 additions & 0 deletions docs/linux/cli/linux-cli-dir.md
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,21 @@ dr-xr-xr-x 4 root root 4096 Apr 19 2012 boot
- 第 2、5、8 位表示写权限，如果用"w"字符表示，则有写权限，如果用"-"字符表示没有写权限。
- 第 3、6、9 位表示可执行权限，如果用"x"字符表示，则有执行权限，如果用"-"字符表示，则没有执行权限。

```bash
d rwx r-x r-x
↑ ↑↑↑ ↑↑↑ ↑↑↑
│ │││ │││ │││-其他用户执行权限 (x/-)
│ │││ │││ │└─ 其他用户写权限 (w/-)
│ │││ │││ └── 其他用户读权限 (r/-)
│ │││ ││└──── 属组用户执行权限 (x/-)
│ │││ │└───── 属组用户写权限 (w/-)
│ │││ └────── 属组用户读权限 (r/-)
│ ││└──────── 属主用户执行权限 (x/-)
│ │└───────── 属主用户写权限 (w/-)
│ └────────── 属主用户读权限 (r/-)
└──────────── 文件类型 (该文件是目录)
```

#### 1.2.1. Linux 文件属主和属组

```bash
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