---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# e4defrag

> Defragment an ext4 filesystem.
> More information: <https://manned.org/e4defrag>.

- Defragment the filesystem:

`e4defrag {{/dev/sdXN}}`

- See how fragmented a filesystem is:

`e4defrag -c {{/dev/sdXN}}`

- Print errors and the fragmentation count before and after each file:

`e4defrag -v {{/dev/sdXN}}`