Linux "swaplabel" Command Line Options and Examples

print or change the label or UUID of a swap area

swaplabel will display or change the label or UUID of a swap partition located on device (or regular file). If the optional arguments -L and -U are not given, swaplabel will simply display the current swap-area label and UUID of device. If an optional argument is present, then swaplabel will change the appropriate value on device.

Usage:

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

Related Commands

Command Line Options:

-h

Display help text and exit.


                            swaplabel -h ...

-L

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


                            swaplabel -L ...

-U

Specify a new UUID for the device. The UUID must be in the standard 8-4-4-4-12 character format, suchas is output by uuidgen(1).AUTHORswaplabel was written by Jason Borden <jborden@bluehost.com> and Karel Zak <kzak@redhat.com>.ENVIRONMENTLIBBLKID_DEBUG=allenables libblkid debug output.AVAILABILITYThe swaplabel command is part of the util-linux package and is available from https://www.ker‐nel.org/pub/linux/utils/util-linux/.


                            swaplabel -U ...