You
specify this parameter to identify one or more IEFSSNxx parmlib members
that contain the information needed to define and initialize selected
subsystems. The two alphanumeric characters are appended to the characters,
IEFSSN, to form the name of the parmlib member. NIP saves the parmlib
name or names until the subsystems are to be initialized. For information
about the IEFSSNxx parmlib member, see IEFSSNxx (subsystem definitions) - positional parameter form.
Value Range: Any two alphanumeric characters
Default Value: SSN=00
Associated
Parmlib Member: IEFSSNxx