AFAIK, this cannot be done using "standard" facilities. Others have indicated various ways to change the create date after the fact.
There is an additional way. A program, on the CBT TAPE(www.cbttape.org) - DMOD. Sorry, I have no idea in which of the 700 plus files to look. HTH, <snip> Is there some way to modify the (PO) dataset BLOCKSIZE keeping the original creation date? LIBRARY.TEST.BLKSIZE (PO) lrecl=23200 and blksize=0 creation date=2011/08/11 last ref date=2011/08/15 To alter the blksize, or another dataset specifications, we use this method : 1.- create a new library with the correct specifications. 2.- copy from old to the new. 3.- remove the old lib. 3.- rename the new lib. </snip> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html