sfdisk
Display or manipulate a disk partition table. tldr-pages
On Linux
Linux
Back up the partition layout to a file
sudo sfdisk --dump /dev/sdX >path/to/file.dumpIdentifyRestore a partition layout
sudo sfdisk <path/to/file.dump /dev/sdXIdentifySet the type of a partition
sudo sfdisk --part-type /dev/sdX partition_number swapIdentifyDelete a partition
sudo sfdisk --delete /dev/sdX partition_numberIdentifyDisplay help
sfdisk --helpIdentify