Tip: You should be very careful when modifying partitions as many changes can cause data loss.
Press the Super key, then bang out disks and hit enter.
you’re free to see the partitions on a hard drive in the central Volumes section.
If you want to completely reset a partition, tap the cogwheel icon and select Format Partition.
After you confirm the old passphrase, you’re free to create a new one.
you might also use this process to reduce the size of existing partitions.
you might change the password of LUKS encrypted partitions and resize existing partitions.
