z/OS Structure and Logic

Course:   ZOSS
Duration:   4 Days
Level:   III
On our website at:   http://www.verhoef-training.com/courses/ZOSS.html
 
Course Summary

Suitable for IT professionals requiring in-depth knowledge of the internal workings of the z/OS operating system.

Topics Covered In This Course

System Introduction

  • z/OS Review
  • z/OS System Components Review
  • Introduction to Control Blocks
  • Basics of z/Architecture

Operating Environment Initialization

  • System Libraries
  • Initial Program Load

Task Management

  • Task Dispatching
  • Service Request Scheduling
  • Program Managing
  • Serializing Resources
  • Supervisor Calls
  • Status Saving on Interrupt

Addressability

  • Addressability Review
  • Cross Memory Services - Addressability to Two Address Spaces
  • Extended Addressability to Multiple Spaces

Input/Output Supervisor

  • I/O Definition and Initialization
  • I/O Request Flow.
  • I/O Interrupt Flow.
  • Error Handling

Storage Management

  • Storage Management Review
  • A Programmer's Use of Storage
  • Paging and Swapping
  • Coupling Facility Storage.
  • Exploitation

Recovery Termination Manager (RTM)

  • RTM Overview
  • Preparing the Environment
  • Normal Termination Processing
  • Abnormal Termination Processing
  • Recovery Management Support.

Job Scheduling

What You Can Expect

This course presents the structure and control blocks of the z/OS BCP and system services. It prepares the z/OS system programmer to identify potential bottlenecks and performance problems, perform initial error symptom gathering, and identify opportunities and requirements for tailoring a z/OS system. This course also provides prerequisite information needed for further training in specialized areas such as system measurement, tuning and problem determination. After completing this course, you will be able to:

Who Should Take This Course

This course is for z/OS system programmers responsible for customization, measurement and tuning, or problem determination of z/OS. Subsystem programmers will also benefit.

Recommended Prerequisites

Before this course you should have attended our z/OS Systems Programming Introduction or have equivalent knowledge. Completion of our Assembler Language course is recommended but not essential. You should be able to:

Related Courses
Code Course Title Duration Level
ZOSI
z/OS Concepts
2 Days
I
Details

Every student attending a Verhoef Training class will receive a certificate good for $100 toward their next public class taken within a year.

You can also buy "Verhoef Vouchers" to get a discounted rate for a single student in any of our public or web-based classes. Contact your account manager or our sales office for details.