NAME

       uuidparse - a utility to parse unique identifiers

SYNOPSIS

       uuidparse [options] uuid

DESCRIPTION

       This command will parse unique identifier inputs from either command line arguments or standard input.
       The inputs are white-space separated.

OUTPUT

   Variants
       ┌───────────┬──────────────────────────────────────┐
       │           │                                      │
       │ NCS       │ Network Computing System identifier. │
       │           │ These were the original UUIDs.       │
       ├───────────┼──────────────────────────────────────┤
       │           │                                      │
       │ DCE       │ The Open Software Foundation’s (OSF) │
       │           │ Distributed Computing Environment    │
       │           │ UUIDs.                               │
       ├───────────┼──────────────────────────────────────┤
       │           │                                      │
       │ Microsoft │ Microsoft Windows platform globally  │
       │           │ unique identifier (GUID).            │
       ├───────────┼──────────────────────────────────────┤
       │           │                                      │
       │ other     │ Unknown variant. Usually invalid     │
       │           │ input data.                          │
       └───────────┴──────────────────────────────────────┘

   Types
       ┌────────────┬─────────────────────────────────────┐
       │            │                                     │
       │ nil        │ Special type for zero in type file. │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ time-based │ The DCE time based.                 │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ DCE        │ The DCE time and MAC Address.       │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ name-based │ RFC 4122 md5sum hash.               │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ random     │ RFC 4122 random.                    │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ sha1-based │ RFC 4122 sha-1 hash.                │
       ├────────────┼─────────────────────────────────────┤
       │            │                                     │
       │ unknown    │ Unknown type. Usually invalid input │
       │            │ data.                               │
       └────────────┴─────────────────────────────────────┘

OPTIONS

       -J, --json
           Use JSON output format.

       -n, --noheadings
           Do not print a header line.

       -o, --output
           Specify which output columns to print. Use --help to get a list of all supported columns.

       -r, --raw
           Use the raw output format.

       -h, --help
           Display help text and exit.

       -V, --version
           Display version and exit.

AUTHORS

       Sami Kerola <kerolasa@iki.fi>

SEE ALSO

       uuidgen(1), libuuid(3), RFC 4122 <https://tools.ietf.org/html/rfc4122>

REPORTING BUGS

       For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY

       The uuidparse command is part of the util-linux package which can be downloaded from Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/>.

util-linux 2.41.2                                  2025-09-22                                       UUIDPARSE(1)