Using a programmer's perspective, this comprehensive guide explains how to write high performance COBOL II, V3.2 applications. Coverage includes interfacing with programs written in DOS/VS COBOL, applying the Linkage Editor, using SORT/MERGE and its control statements, hex tables, EBCDIC collating sequence and JCL. Features extensive examples and techniques demonstrating how to build better, more sophisticated and more efficient COBOL II systems in a VSE/ESA milieu.