RACF via ISPF RACF is used to perform functions such as altering the protection of a disk data set to allow other people READ access to the data set.
Most panels display a list of options, each identified by a letter or a number.
Each type you select an option, another panel may be presented which offers additional options or input fields. For some options no additional panels are displayed. PF1 can be pressed at any time to receive additional help regarding the particular panel being displayed. PF3 can be pressed from any panel to complete the processing associated with that panel and return to the previous screen. If the panel has any required input fields, it may be necessary to supply values in the input fields before pressing PF3.