> For the complete documentation index, see [llms.txt](https://documentation.alluxio.io/ee-da-cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.alluxio.io/ee-da-cn/ufs.md).

# 底层存储系统

- [Amazon AWS S3](https://documentation.alluxio.io/ee-da-cn/ufs/s3.md)
- [HDFS](https://documentation.alluxio.io/ee-da-cn/ufs/hdfs.md)
- [腾讯 COS](https://documentation.alluxio.io/ee-da-cn/ufs/cos.md)