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tldr/pages/linux/fstrim.md
Starbeamrainbowlabs 9de9248a46 fstrim: add page
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fstrim

Discard unused blocks on a mounted filesystem. Only supported by flash memory devices such as SSDs and microSD cards.

  • Trim unused blocks on all mounted partitions that support it:

sudo fstrim --all

  • Trim unused blocks on a specified partition:

sudo fstrim {{/}}

  • Display statistics after trimming:

sudo fstrim --verbose {{/}}