How to compress a Partitioned Data Set PDS? Specify value for #input_pds //STEP1 EXEC PGM=IEBCOPY //SYSPRINT DD SYSOUT=* //SYSUT1 DD DSN='input_pds',DISP=SHR //SYSIN DD * COPY OUTDD=SYSUT1,INDD=SYSUT1