What tasks can I perform using DFSMShsm user commands?

As a TSO or TSO/E terminal user, you can use DFSMShsm user commands to perform the following space management and data availability management tasks on your data sets:

User Command	User Task
HALTERDS	Changes the backup frequency and number of backup versions kept for one or more data sets. Cannot be used on SMS-managed data sets, which are controlled by the data sets management class parameters. If used on SMS-managed data sets, the command fails and an error message is issued.
HBACKDS	Creates a backup version of one or more data sets.
HBDELETE	Deletes specific backup versions of one or more data sets.
HCANCEL	Cancels one or more existing queued DFSMShsm command requests.
HDELETE	Deletes one or more migrated data sets.
HLIST	Lists information from the migration and backup control data sets.
HMIGRATE	Migrates one or more data sets.
HQUERY	Lists outstanding DFSMShsm requests associated with your user identification.
HRECALL	Recalls one or more migrated data sets.
HRECOVER	Recovers a backup version of one or more data sets.