.\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca)
.\"
.\" This man page was created for libuuid.so.1.1 from e2fsprogs-1.14.
-.\"
+.\"
.\" This file may be copied under the terms of the GNU Public License.
-.\"
+.\"
.\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger
.TH UUIDGEN 1 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
.SH NAME
uuidgen \- command\-line utility to create a new UUID value
.SH SYNOPSIS
-.B uuidgen
+.B uuidgen
[
.B \-r
|
.SH DESCRIPTION
The
.B uuidgen
-program creates a new universally unique identifier (UUID) using the
+program creates (and prints)
+a new universally unique identifier (UUID) using the
.BR libuuid (3)
-library. The new UUID can reasonably be considered unique among
-all UUIDs created on the local system,
+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 future.
.PP
-There are two types of UUID's which
+There are two types of UUID's which
.B uuidgen
-can generate: time-based UUID's and random-based UUID's. By
-default
+can generate: time-based UUID's and random-based UUID's. By
+default
.B uuidgen
will generate a random-based UUID if a high-quality random number
-generator is present. Otherwise, it will chose a time-based UUID. It
-is possible to force the generation of one of these two
+generator is present. Otherwise, it will chose a time-based UUID. It
+is possible to force the generation of one of these two
UUID types by using the
.B \-r
or
.IR /dev/random .
.TP
.B \-t
-Generate a time-based UUID. This method creates a UUID based on the system
+Generate a time-based UUID. This method creates a UUID based on the system
clock plus the system's ethernet hardware address, if present.
-.SH RETURN VALUE
-The UUID of the form 1b4e28ba-2fa1-11d2-883f-b9a761bde3fb (in
-.BR printf (3)
-format "%08x-%04x-%04x-%04x-%012x") is output to the standard output.
.SH "CONFORMING TO"
OSF DCE 1.1
.SH AUTHOR
was written by Andreas Dilger for libuuid.
.SH AVAILABILITY
.B uuidgen
-is part of libuuid from the e2fsprogs package and is available for anonymous
-ftp from tsx\-11.mit.edu (and its mirrors) in /pub/linux/packages/ext2fs.
+is part of libuuid from the e2fsprogs package and is available from
+http://e2fsprogs.sourceforge.net.
.SH "SEE ALSO"
.BR libuuid (3)