z/OS Boot Camp

Content

Introduction to IT

• Origins of processing information using digital technology
• How digital technology is implemented in modern day computers
• Major hardware components of a computer
• System software and applications
• Number systems
• Relationship between components such as:
  • Processor
  • Memory
  • Input/output
• Operating system tasks
• Data storage fundamentals (including databases)
• Communications technologies

Introduction to Z Systems

• Concepts and facilities offered by Z Systems mainframes (hardware and software levels)
• Hardware components, concentrating on power and scalability offered on Z Systems
• z/OS operating system’s major functions
• The range of operating systems supported
• Compatibility with legacy systems
• z/OS operating system
• Subsystems that run on z/OS (JES, TSO/ISPF, DBMSs, ACFs, z/OS Communications Server, etc.)
• Online transaction processing (OLTP)
• Benefits of a 64-bit Operating System
• Virtualization
• Redundancy
• Availability (through technologies such as design of the hardware, z/VM, PR/SM and Parallel Sysplex)

z/OS Data Structures

• Data fields, records, and data sets
• Data types (Sequential, Partitioned, VSAM, and Databases)
• The UNIX file system 
• z/OS methods used to store and find data (VTOCs, Catalogs, and z/OS subsystems)
• CAS, LPA, and VLF.
• System Managed Storage (DFSMS) concepts

z/OS Systems and Subsystems

• Details of each Subsystems (within z/OS) and relationships with each other
• z/OS Base Control Program (BCP)
• z/OS Communications Server (SNA and TCP/IP)
• Security Packages (RACF, ACF2, TopSecret)
• The system programmer, administrator and user development environment (TSO/ISPF)
• Online Transaction Processing (CICS)
• Data Base Management Systems (DB2 and IMS)
• Web services (WebSphere and MQ Series)
• Batch processing (JES2, JCL, Initiators)
• System initialization parameters
• Protection the operating system affords against malfunctioning software and hardware (ACR, ABEND, etc.)
• Documentation and interpretation of error messages and codes
• Initialization of a z/OS partition

TSO/ISPF

• ISPF Menu system
• Action bar
• Panel skip
• Window split
• Starting multiple windows
• Create and manipulate datasets
• Submit batch work
• Obtain information on system parameters, settings, and operation
• Run foreground applications
• Examine and manipulate system output
• Enter the Unix environment and issue TSO commands
• The ISPF Full Screen Editor

JCL and Utilities

• The three major JCL statements (JOB, EXEC and DD)
• The use, format, and syntax of each
• Creation of datasets of various kinds (sequential and PDS)
• The manipulation of those datasets within a multi-step job (moving, passing, cataloging, deleting, etc.)
• Catalogued and Instream procedures
• Building Generation Data Groups
• Creating and manipulating generation data sets as well as VSAM data sets
• Step restart and the use of conditional step execution
• Utilities involving listing data set, sorting data, and creating VSAM clusters and GDGs
• Use of IEFBR14
• System Managed Storage (DFSMS)
• SDSF 

Intro to Structured Programming and REXX (Optional)

• Defining terms
• Language translator and Linkage Editor
• List 5 constructs of Structured Programming
• Subroutines
• Differences between REXX program and Stored program.
• Create REXX procedures- invoke TSO/E commands and programs
• Create REXX procedures- perform I/O against sequential and partitioned data sets
• Create ISREDIT macros- enhance the ISPF edit environment
• Create REXX procedures- interact with the MVS operator’s console
• Create REXX procedures- capture and tailor the output of TSO/E commands

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