CSFWDUTL is a batch job that invokes the duplicate utilities program (CSFDUTIL). It can be found in SYS1.SAMPLIB.

//<NAME>   JOB  <JOB CARD PARAMETERS>
//*******************************************************************
//*                                                                 *
//*    Licensed Materials - Property of IBM                         *
//*    5694-A01                                                     *
//*    Copyright IBM Corp. 2008                                     *
//*                                                                 *
//*                                                                 *
//* This file contains sample JCL to invoke the Duplicate Token     *
//* Utility program (CSFDUTIL).                                     *
//*                                                                 *
//* CSFWDUTL: Invokes CSFDUTIL                                      *
//*                                                                 *
//* DESCRIPTION:                                                    *
//* CSFDUTIL is an ICSF utility program that searches the CKDS or   *
//* PKDS for duplicate key tokens.  This utility is not available   *
//* from the ICSF PANELS.  Refer to the ICSF Administrator's        *
//* Guide for more information on CSFDUTIL functions.               *
//*                                                                 *
//* CSFWDUTL calls CSFDUTIL and passes the requested function into  *
//* the utility using the SYSIN dd statement.                       *
//*                                                                 *
//* CAUTION:                                                        *
//* Before using this sample, you have to make the following        *
//* changes.                                                        *
//*                                                                 *
//* USER ACTIONS REQUIRED:                                          *
//* 1.Add the job parameters to meet your system requirements.      *
//* 2.If necessary change the parameter value to the key data set   *
//*   you want to examine.                                          *
//*                                                                 *
//*******************************************************************
//*       JCL to invoke CSFDUTIL                                    *
//*******************************************************************
//CSFWDUTL EXEC PGM=CSFDUTL
//SYSOUT    DD  SYSOUT=*
//SYSIN     DD  *
  CKDSN(CSF.CSFCKDS)
/*