The term Virtual Storage Access Method (VSAM) applies to both a data set type and the access method used to manage various user data types.

VSAM was introduced in the 1970s when IBM announced virtual storage operating systems (DOS/VS, OS/VS1 and OS/VS2) for its new System/370 series, as successors of the DOS/360 and OS/360 …

VSAM Tutorial - In this VSAM tutorial we have explained some of the important concepts in VSAM (Virtual Storage Access Method) datasets in Mainframe computer.

VSAM is the short form of Virtual Storage Access Method. VSAM was introduced in the early 1970s by IBM with three dataset organizations - sequential, indexed, and direct access.

VSAM (Virtual Storage Access Method) is a high-performance access method for datasets on z/OS systems. Developed by IBM, VSAM provides efficient, flexible methods for organizing and accessing …

What is VSAM? The acronym VSAM stands for Virtual Storage Access Method. Access methods are software systems that support file processing. IBM’s VSAM access methods are some of the most …

This tutorial is designed for software programmers with a need to understand the VSAM concepts starting from scratch. This tutorial will give you enough understanding on VSAM from where you can …