Joined: 22 Apr 2006 Posts: 6258 Location: Mumbai, India
To get you started: This
tells to copy the input records to output. The input data set is copied to the output data set without
sorting or merging.
This says, when you copy from input to OUTput RECord - in output first 400-bytes must be copied from input as it is, starting from position 1 in o/p and... okay, rest I leave for you to investigate in.
If you're not familiar with DFSORT and DFSORT's ICETOOL, I'd suggest reading through "z/OS DFSORT: Getting Started". It's an excellent tutorial, with lots of examples, that will show you how to use DFSORT, DFSORT's ICETOOL and DFSORT Symbols. You can access it online, along with all of the other DFSORT books, from: