Several varieties of partitioning programs have been adapted by Debian and Ubuntu developers to work on various types of hard disks and computer architectures. Following is a list of the program(s) applicable for your architecture.
Recommended partitioning tool in Ubuntu. This Swiss army knife can also resize partitions, create filesystems and assign them to the mountpoints.
S/390 version of fdisk; Please read the IBM Linux on Z and LinuxONE s390-tools overview and find the fdasd section there s390-tools overview for further details.
One of these programs will be run by default when you select
(or similar). It may be possible to use a different partitioning tool, but this is not recommended.