# Du 和 Df 命令说明

## Du

用于查看目录和文件的大小。

参数解释

| Options              | Description                                             |
|----------------------|---------------------------------------------------------|
| -a, --all            | write counts for all files, not just directories        |
| -h, --human-readable | print sizes in human readable format (e.g., 1K 234M 2G) |
| -k                   | like --block-size=1K                                    |
| -m                   | like --block-size=1M                                    |
| -S, --separate-dirs  | for directories do not include size of subdirectories   |
| -s, --summarize      | display only a total for each argument                  |

常见用法

```bash
du -sh <folder>
```

## Df

用于查看磁盘的使用情况。

参数解释

| Options                 | Description                                          |
|-------------------------|------------------------------------------------------|
| -a, --all               | include pseudo, duplicate, inaccessible file systems |
| -h, --human-readable    | print sizes in powers of 1024 (e.g., 1023M)          |
| -t, --type=TYPE         | limit listing to file systems of type TYPE           |
| -T, --print-type        | print file system type                               |
| -x, --exclude-type=TYPE | limit listing to file systems not of type TYPE       |

常见用法

```bash
df -hT
df -h -t=ext4
```