z/OS System Services Structure

The primary audience for this intermediate course are z/OS system programmers who are new to z/OS installation, customization, measurement and tuning, or problem determination. Subsystem programmers will also benefit from this class.

You should be able to:Describe the following z/OS BCP (MVS) characteristics:multiprocessingmultiprogrammingvirtual storage <strong>and</strong> paging<strong>and</strong> multiple address space/data space architectureExplain how paging <strong>and</strong> swapping are accomplished through the interaction of real/central, expanded, auxiliary, <strong>and</strong> virtual storage in a z/OS systemExplain the role of the dispatcher, interrupts, SVCs, the program manager, <strong>and</strong> serialization in managing work in a z/OS systemState the role of z/OS software <strong>and</strong> hardware components in handling an I/O request for data on a direct access storage deviceThese prerequisites can be met through on the job training <strong>or</strong> completion of z/OS Facilities.<strong>Note</strong>: A fundamental knowledge of hexadecimal notation, assembler language, <strong>and</strong> z/Architecture instruction execution will enhance your understanding of the course material. Completion of Assembler Language Coding Workshop <strong>or</strong> Assembler Language Series is recommended.