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tldr/pages/linux/uuidgen.md

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# uuidgen
> Generate unique identifiers (UUIDs).
> See also `uuid`.
> More information: <https://manned.org/uuidgen>.
- Create a random UUIDv4:
`uuidgen {{[-r|--random]}}`
- Create a UUIDv1 based on the current time:
`uuidgen {{[-t|--time]}}`
- Create a UUIDv5 of the name with a specified namespace prefix:
`uuidgen {{[-s|--sha1]}} {{[-n|--namespace]}} {{@dns|@url|@oid|@x500}} {{[-N|--name]}} {{object_name}}`