| UUIDGEN(1) | General Commands Manual | UUIDGEN(1) | 
uuidgen —
    generates new UUID strings
| uuidgen | [-hdr] | 
The uuidgen command generates a
    Universally Unique IDentifier (UUID), a 128-bit value guaranteed to be
    unique over both space and time.
The following options are available:
-hdrThe UUID is printed to standard output as a hyphen-punctuated ASCII string of the form: EEF45689-BBE5-4FB6-9E80-41B78F6578E2 (in printf(3) format "%08X-%04X-%04X-%04X-%012X"), unless the -hdr option is given, in which case a fragment of source code is output.
| July 1, 2005 | Mac OS X |