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tldr/pages.zh/linux/sfill.md

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# sfill
> 安全地覆盖指定目录所在分区的空闲空间和inode。
> 更多信息:<https://manned.org/sfill>。
- 使用38次写入覆盖磁盘的空闲空间和inode慢但安全
`sfill {{/path/to/mounted_disk_directory}}`
- 使用6次写入覆盖磁盘的空闲空间和inode快速但不太安全并显示状态
`sfill -l -v {{/path/to/mounted_disk_directory}}`
- 使用1次写入覆盖磁盘的空闲空间和inode非常快速但不安全并显示状态
`sfill -ll -v {{/path/to/mounted_disk_directory}}`
- 仅覆盖磁盘的空闲空间:
`sfill -I {{/path/to/mounted_disk_directory}}`
- 仅覆盖磁盘的空闲inode
`sfill -i {{/path/to/mounted_disk_directory}}`