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cheatsheet-tldr/tldr/linux/blkdiscard
2024-06-12 00:14:27 +00:00

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---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# 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 --secure {{/dev/device}}`
- Discard the first 100 MB of a device:
`blkdiscard --length {{100MB}} {{/dev/device}}`