I'm not very specialized in VSAM, and I no longer find what we used here at my customer's systems. But, what about using the informamtion from manua l CMS Application Development Guide for Assembler Example from the book assgn sys005 tap1 tape rew (181 assgn syscat e assgn sys006 e labeldef catout fid catfile volid amserv dlbl ijsysct e dsn mastcat (syscat vsam dlbl catin e dsn file (sys006 vsam amserv repro (tapout 181 DMSAMS367R Enter tape output DDNAMEs: catout
To use a CMS file, make your DLBL point to disk: dlbl out CMS fn ft