In this example, the previous value of PGCSIZE was changed to 3.
//FORMPGC EXEC CTDFRPGC,
// DISP1=NEW, 1. DISP PARAMETER
// DISP2=CATLG, 2. DISP PARAMETER
// DISP3=DELETE, 3. DISP PARAMETER
// PGCSIZE=3 SIZE PARAMETER --> PGCSIZE parameter is changed.
//
CTDFRPGC – Format Page Counter File