z/OS Primer - MVS Author:David Shelby Kirk Updated to include z/OS Conceptional view of the largest and best-known proprietary operating system. Operating system and how the components parts are structured. TSO, IMS, CICS, and DB2 and how they relate to z/OS (MVS). Job, task, and data management. Environment control, history, on-line access and databases. Skill requirements with... more » skill matrix for IT career positions.« less