> > Could you send me a sample JCL to release unused space of multi-vol PS? >
You probably should look at the IBM REDBOOK the ABC's of SYSTEM PROGRAMMING Volume 3. It has a lot of information on datasets and DFSMS. And you may also want to look at the Redbook: Introduction to the New Mainframe: z/OS Basics, SG24-6366-02 The following link will take you to these and other Redbooks http://www.redbooks.ibm.com/cgi-bin/searchsite.cgi?query=dfsms&SearchOrder=1&SearchFuzzy= http://www.redbooks.ibm.com/cgi-bin/searchsite.cgi?query=ABCs&SearchOrder=1&SearchFuzzy= Basically I think you just allocate a new PS, copy old PS to new PS, Delete Old PS, Rename new PS to old PS (original name) Lizette ---------------------------------------------------------------------- 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