UUIDGEN(1) UUIDGEN(1) uuidgen - uuidgen [] uuidgen ( ) () libuuid(3). - , - . - uuidgen : -, -, -. uuidgen . , . - --random --time . - --md5 --sha1, --namespace - --name . - , - RFC 4122, @dns, @url, @oid, @x500. . - , MD5 SHA1 . , , - . RFC . -r, --random . . , /dev/random. -t, --time . , . -m, --md5 ,,MD5" . -s, --sha1 ,,SHA1" . -6, --time-v6 Generate a time-based UUID. This method creates a UUID based on the system clock plus and is lexicographically sortable according to the contained timestamp. -7, --time-v7 Generate a time-based UUID. This method creates a UUID based on the system clock plus and is lexicographically sortable according to the contained timestamp. -n, --namespace - . , ,,@ns" ,,ns" ( ). -N, --name . -C, --count - ,,libuuid"- - , . , -. -x, --hex . -h, --help . -V, --version Display version and exit. OSF DCE 1.1 uuidgen --sha1 --namespace @dns --name "www.example.com" uuidgen libuuid(3). uuidparse(1), libuuid(3), RFC 4122 RFC XXXX For bug reports, use the issue tracker . uuidgen ,,util-linux" . util-linux 2.41 2025-03-29 UUIDGEN(1)