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tldr/pages/linux/blkdiscard.md

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# blkdiscard
> Discards device sectors on storage devices. Useful for SSDs.
> More information: <https://manned.org/blkdiscard>.
- Discard all sectors on a device, removing all data:
`blkdiscard {{/dev/device}}`
- Securely discard all blocks on a device, removing all data:
`blkdiscard {{[-s|--secure]}} {{/dev/device}}`
- Discard the first 100 MB of a device:
`blkdiscard {{[-l|--length]}} {{100MB}} {{/dev/device}}`