On successful completion of this course you will be able to:

• describe how z/OS & JES2 relate to each other
• use the console to issue commands
• interpret z/OS & JES2 messages
• use console control (K) commands
• describe the uses of the master console
• list the uses of the HMC
• invoke the IPL process
• explain the difference between 'cold' and 'warm' starts in z/OS
• start and stop JES2, and explain the process
• bring down (stop) the z/OS system
• list the different device types
• manage z/OS and JES2 devices
• describe the differences between batch, started tasks and TSO
• start and stop batch started tasks
• display & control job queues in JES2
• display and control active jobs in z/OS
• control Initiators
• control Started Tasks
• display and manage JES2 output queues
• describe the concept of system dumps
• manage system problem situations.

• z/OS, JES2 & Other Products - How They Relate
  • What is an operating system
  • z/OS overview
  • JES2 overview
  • z/OS & JES2 Job Management
  • Operator roles
  • Operator communications
  • z/OS products
  • DFSMS/MVS
  • Network software
  • Application development tools
• Operator Communication - the Console
  • Console types
  • Master Console authority
  • Operating modes
  • Operator command types
  • Route codes
  • Message Levels
  • z/OS command syntax
  • Commonly used z/OS commands
  • JES2 command syntax
  • Console message format
  • Console screen layout
  • Control (K) command
  • DISPLAY command
  • VARY CN command
  • Syslog & Hardcopy
  • SEND command
• Starting & Stopping z/OS & JES2
  • IPLing z/OS
  • IPL messages
  • IPL flow
  • TOD clock
  • Starting JES2
  • Controlling JES2
  • JES2 cold & warm starts
  • Stopping JES2
  • JES2 errors
  • JES2 Error codes
  • Stopping z/OS
• Input/Output Devices
  • I/O overview
  • Device types
  • Channel subsystems
  • Channels
  • FICON
  • Control units
  • Device numbers
  • Shared DASD
  • Offline/online
  • DISPLAY U command
  • VARY device command
  • VARY PATH command
  • JES2 devices
  • $D U JES2 command
• z/OS Workload and the Active System
  • Program execution environments
  • Batch processing
  • Started Tasks
  • Time Sharing Option (TSO)
  • Executing program requirements
  • Program identification with JCL
  • All the JCL statements
  • The most used JCL statements
  • JES2 information in the job stream
  • Relationships between JCL statements
  • One or more jobs in a JCL stream
  • Getting work into the system
  • Getting a Started Task into the system
  • Getting a TSO user into the system
  • Getting a batch job into the system
  • Batch job queues
  • Job initiation
  • Step initiation
  • The job schedule' Reports and listings
  • Standard reports
  • Job log example
  • The active system
  • A job's phases
  • What is a System Task?
  • What is a TSO logon?
• Reading and Queue Management
  • Reading job streams
  • Stopping and starting a reader
  • Cancel ($C) and halt ($Z) of readers
  • Examples of reader commands
  • Reading to the job queue
  • Readers and job attributes
  • Job name and Job number
  • $T for a READER
  • Job queues
  • Display of queues - $DQ and $DN
  • Examples of $DQ and $DN
  • Information on specific jobs - $DQ
  • Examples of $D for individual jobs
  • To change queue attributes
  • Examples of changing job status
  • HOLD and RELEASE jobs on the job queue
  • Examples of $H and $A
  • Job Control: CANCEL, RESTART, PURGE
  • Example of job control
• Active Job Requirements
  • Executing in MVS - the address space
  • Batch Initiators
  • JES2 and Initiators
  • Controlling initiators
  • Example of initiator control
  • Jobs in z/OS
  • Active jobs
  • DISPLAY active jobs
  • Examples of $DA
  • Examples of DISPLAY activity in MVS
  • Cancelling job
  • Examples of CANCEL
  • The $C command
  • Examples of $C
  • Volume mounts
  • Examples of MOUNT messages
  • The REPLY command
  • Examples of REPLY
  • DISPLAY requests
  • Example of DISPLAY R
• Started Tasks
  • Started Tasks
  • The START command
  • Examples of the START command
  • The STOP command
  • Examples of the STOP command
  • The MODIFY command
• Output Queue Management
  • Output listings
  • List attributes
  • Commands for list queue administration
  • Display forms - $DF
  • Examples of $DF commands
  • List job - $L
  • Examples of the $L command
  • Display details of job output - $DO
  • Example of the $DO command
  • To remove list output - $PO and $CO
  • Examples of using $L, $DF, $PO, $O and $CO commands
  • Held output
  • Release output - $O
  • Examples of the $O command
  • Actual printing of output
• Problem & Dump Management
  • Non-system problems - ABEND
  • Job ABEND examples
  • System failure with recovery
  • SVC dumps
  • SVC dump management
  • Copying SVC dumps
  • Clearing a dump dataset
  • Full SYS1.DUMP datasets
  • 'Unusual' messages
  • 'WTO BUFFER SHORTAGE'
  • 'CHANNEL DETECTED ERROR'
  • 'AUXILIARY STORAGE SHORTAGE'
  • 'SMF DATA LOST'
  • Outstanding requests - D R
  • Examples of D R
  • The entire system hangs
  • Types of hung system
  • The Program Status Word
  • Displaying the PSW
  • The status in the PSW
  • Disabled WAIT
  • Disabled LOOP
  • Loop trace
  • Excessive spin loops
  • Message IEE331A
  • Default actions on excessive spin loops
  • Enabled LOOP
  • Enabled WAIT
  • Stand-Alone Dump
  • Taking an SA-Dump

Lecturing and exercises.

Delivered as a live, interactive online training.

An understanding of the z/OS environment, as taught in the course z/OS Concepts & Facilities, and knowledge of TSO/ISPF and JCL.

Operators working in a z/OS and JES2 environment, Systems Programmers and other technical support personnel who need an understanding of the operational characteristics of z/OS.