Insert overview help for the 'ISPF Configuration Datasets' dialog, here.
You can find more detailed help on the following elements of this window:
HLQ for msys for Setup ISPF data sets
Volser for msys for Setup ISPF data sets
Insert help for 'HLQ for msys for Setup ISPF data sets' here.
Insert help for 'Primary allocation' here.
Insert help for 'Secondary allocation' here.
Insert help for 'Volser for msys for Setup ISPF data sets' here.
Insert help for 'Directory blocks' here.