mkswap

Set up a Linux swap area on a device or in a file. Note: path/to/file can either point to a regular file or a swap partition. More information: https://manned.org/mkswap.

• Set up a given swap area:
  sudo mkswap {{path/to/file}}
• Check a partition for bad blocks before creating the swap area:
  sudo mkswap -c {{path/to/file}}
• Specify a label for the partition (to allow swapon to use the label):
  sudo mkswap -L {{label}} {{/dev/sda1}}