sfdisk

Display or manipulate a disk partition table. More information: https://manned.org/sfdisk.

• Back up the partition layout to a file:

sudo sfdisk {{-d|--dump}} {{path/to/device}} > {{path/to/file.dump}}

• Restore a partition layout:

sudo sfdisk {{path/to/device}} < {{path/to/file.dump}}

• Set the type of a partition:

sfdisk --part-type {{path/to/device}}} {{partition_number}} {{swap}}

• Delete a partition:

sfdisk --delete {{path/to/device}} {{partition_number}}

• Display help:

sfdisk {{-h|--help}}