Update cheatsheets

linux/uuid

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# uuid
+
+> Generate and decode Universally Unique Identifiers (UUID).
+> See also `uuidgen`.
+> More information: <https://manned.org/uuid>.
+
+- Generate a UUIDv1 (based on time and system's hardware address, if present):
+
+`uuid`
+
+- Generate a UUIDv4 (based on random data):
+
+`uuid -v {{4}}`
+
+- Generate multiple UUIDv4 identifiers at once:
+
+`uuid -v {{4}} -n {{number_of_uuids}}`
+
+- Generate a UUIDv4 and specify the output format:
+
+`uuid -v {{4}} -F {{BIN|STR|SIV}}`
+
+- Generate a UUIDv4 and write the output to a file:
+
+`uuid -v {{4}} -o {{path/to/file}}`
+
+- Generate a UUIDv5 (based on the supplied object name) with a specified namespace prefix:
+
+`uuid -v {{5}} ns:{{DNS|URL|OID|X500}} {{object_name}}`
+
+- Decode a given UUID:
+
+`uuid -d {{uuid}}`