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tldr/pages/linux/cryptsetup-luksformat.md

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# cryptsetup luksFormat
> Initialize a LUKS partition and the initial key slot (0) with a passphrase or keyfile.
> Note: this operation overwrites all data on the partition.
> More information: <https://manned.org/cryptsetup-luksFormat>.
- Initialize a LUKS volume with a passphrase:
`cryptsetup luksFormat {{/dev/sdXY}}`
- Initialize a LUKS volume with a keyfile:
`crypsetup luksFormat {{/dev/sdXY}} {{path/to/keyfile}}`
- Initialize a LUKS volume with a passphrase and set its label:
`cryptsetup luksFormat --label {{label}} {{/dev/sdXY}}`