ADD/xCAT Add one or more entries to a catalogue
COPY/DD Copy descriptors from one file to another
CREATE/xCAT Create a catalogue
DELETE/... Delete a frame
DELETE/DESCRIPTOR Delete a descriptor
INFO/DESCRIPTOR Get type and size of descriptor
READ/DESCRIPTOR Read descriptors
RENAME/...Rename a frame
SORT/xCAT Sort entries in a catalogue
SUBTRACT/xCAT Remove an entry from a catalogue
WRITE/DESCRIPTOR Write a descriptor
WRITE/DHELP Write descriptor help