Sorting ps

1. Internal sorting
2. External sorting : utilities: /SORT/ICETOOL/SYNCSORT/DFSSORT/ICEMEN.

//job001           job(xyz), ‘abc’ class= L MSGclass=x,  MSGLEVEL=(1,1), time=(1,1) reglon=look,typrun= run,  notify=&sysid

//step001                      exec     pgm=IEBGCOPY

//sysin              DD      DSN=user.sour.data.prod.cobol, disp=shr

//sysout                        DD      DSN=user.sour.data.dev.cobol, disp=old

//sortwk01                   DD      space =(cyl,(1,1), rlse), unit =(disk)

//sortwko2                   DD      spaced(b2 (1,1),rlse), unit = disk.

//sysin              DD      *

sort fields=(starting position, length, datatype,{ASC,DES}, HX,a/d)

work files:  while sorting on JCL

identify inputfile, output file &work files