Provided by: uuid-runtime_2.20.1-1ubuntu3_i386
uuidgen - create a new UUID value
The uuidgen program creates (and prints) a new universally unique
identifier (UUID) using the libuuid(3) library. The new UUID can
reasonably be considered unique among all UUIDs created on the local
system, and among UUIDs created on other systems in the past and in the
There are two types of UUIDs which uuidgen can generate: time-based
UUIDs and random-based UUIDs. By default uuidgen will generate a
random-based UUID if a high-quality random number generator is present.
Otherwise, it will choose a time-based UUID. It is possible to force
the generation of one of these two UUID types by using the -r or -t
Generate a random-based UUID. This method creates a UUID
consisting mostly of random bits. It requires that the
operating system have a high quality random number generator,
such as /dev/random.
Generate a time-based UUID. This method creates a UUID based on
the system clock plus the system's ethernet hardware address, if
Display help text and exit.
Display version information and exit.
OSF DCE 1.1
uuidgen was written by Andreas Dilger for libuuid.
The uuidgen command is part of the util-linux package and is available