VM Concepts and Facilities

Duration

6 to 8 hours

Overview

Audience

Programmers and operators who require knowledge of VM and CMS.

Prerequisites

Knowledge of data processing concepts.

Objectives

After completing this course, the student will be able to:
• Define the principles of VM
• Identify the reasons for having VM
• Recognize the roles and responsibilities of the computer operator who uses a VM system
• Recognize VM/CMS commands and facilities, such as Attach/Detach Users, Log On/Off VM, Display Users/Devices, and Manipulate Printers

Course Content

Introduction to VM

Concepts of Virtual Machine
Spooling
Configuration of Real Machine Room
Query Virtual Command
Configuration of Virtual Machine Room

Logging on and Dialing to VM

Logging on to VM
Query Logmsg
IPL CMS

Logging off and Disconnecting VM

Logging off VM
Disconnecting from VM

VM User Classes - Introduction to the Query Command

Introduction to the Query Command
QUERY - CP Command
QUERY - CMS Command
Classes of Users

Display Users on the System

QUERY USERS Command
QUERY NAMES Command

The QUERY command

QUERY DEVICES Command
PA1, PA2, CLEAR Keys

Spooling

3 Types of Spooling
Displaying Queues
QUERY FILES Command
QUERY PUN, PRT, RDR Command

Varying Devices On and Offline

VARY Command

Starting the VM Printers

Spool Files - Held Files
START Command and Operands
AUTO/ MANUAL Print Mode
SETUP Mode
BACKSPACE Command
Backspace

Stopping the VM Printers

DRAIN Command - ALL/PRT/PUN/RDR
FLUSH Command
CHANCE Command

CMS Filelist

VM Users’ DASD
Filelist Utility
Filename, Filetypes, Filemode

The CP Commands – ATTACH and DETACH

OFFLINE/ ONLINE DEVICES
ATTACH Command
DETACH Command

CMS RDRLST

RDRLST Utility and Functions
PFK Definitions
PEEK Command
RECEIVE Command

CMS XEDIT

VM Editor
SET COLOUR Command
SET SCALE Command
SET NUM ON Command
Editing a File