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Linux 2.6 - man page for swaplabel (linux section 8)

SWAPLABEL(8)			    Linux Programmer's Manual			     SWAPLABEL(8)

NAME
       swaplabel - Print or change the label / UUID of a swap area

SYNOPSIS
       swaplabel [-L label] [-U UUID] device

DESCRIPTION
       swaplabel  will	display  or change the label / UUID of a swap partition located on device
       (or regular file).

       If the optional arguments -L and -U are not present, swaplabel  will  simply  display  the
       swap area label and UUID of device.

       If  an  optional  argument is present, then swaplabel will change the appropriate value of
       device.	These values can also be set during swap creation using mkswap(8).  The swaplabel
       utility allows to change the label or UUID on actively used swap device.

OPTIONS
       -h, --help
	      Print help and exit.

       -L, --label label
	      Specify a new label for device.  Swap partition labels can be at most 16 characters
	      long.  If label is longer than 16 characters, swapinfo will truncate it and print a
	      warning message.

       -U, --uuid uuid
	      Specify  a  new UUID for device.	UUID must be in the standard 8-4-4-4-12 character
	      format, such as is output by uuidgen(1).

AUTHOR
       swaplabel was written by Jason Borden  <jborden@bluehost.com>  and  Karel  Zak  <kzak@red-
       hat.com>.

AVAILABILITY
       swaplabel  is  part  of	the  util-linux  package  and  is  available  from ftp://ftp.ker-
       nel.org/pub/linux/utils/util-linux/.

SEE ALSO
       mkswap(8), swapon(8), uuidgen(1)

Linux					   2 April 2010 			     SWAPLABEL(8)


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