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tldr/pages/linux/e4defrag.md

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e4defrag

Defragment an ext4 filesystem.

  • 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}}