Applicable release versions:
|Description||initial space set aside for a file and is specified as a number of frames in the "create-file" command. For instance, if a file data level is set aside using 11 frames as its "modulo", it has 11 frames in its primary file space.
As files grow and contract, additional frames are added to or removed from the groups in the primary file space. All of these extra frames are called "linked" or "dynamic" overflow and the number of frames is always changing.