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tldr/pages/linux/blkdiscard.md
Adam I 43be99e963 blkdiscard: add page (#3292)
2019-10-03 21:37:08 +01:00

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blkdiscard

Discards device sectors on storage devices. Useful for SSDs.

  • Discard all sectors on a device, removing all data:

blkdiscard /dev/{{device}}

  • Securely discard all blocks on a device, removing all data:

blkdiscard --secure /dev/{{device}}

  • Discard the first 100MB of a device:

blkdiscard --length {{100MB}} /dev/{{device}}