swaplabel

Print or change the label or UUID of a swap area. Note: path/to/file can either point to a regular file or a swap partition. More information: https://manned.org/swaplabel.

• Display the current label and UUID of a swap area:
  swaplabel {{path/to/file}}
• Set the label of a swap area:
  swaplabel --label {{new_label}} {{path/to/file}}
• Set the UUID of a swap area (you can generate a UUID using uuidgen):
  swaplabel --uuid {{new_uuid}} {{path/to/file}}