Mainframe crash course
This five day classroom-based ABIS course goes into the essentials of the z/OS operating system. You learn to work with TSO, ISPF and JCL, and get to understand how z/OS and its subsystems are set up. Prior knowledge of the platform is not required.
The z/OS operating system is known as IBM's flagship mainframe operating system. In this course we will discuss the fundamental properties of MVS, ISPF, and JCL. The main focus will be on obtaining sufficient hands-on, such that you will be able to find your way on the system.
During this course, participants will:
- get familiar with the basic concepts of z/OS and its subsystems;
- learn to functionally understand how the file system is organized;
- explore the standard ISPF/PDF environment;
- learn to use the basic possibilities of the ISPF editor efficiently;
- launch batch jobs, and learn how to check its output and return codes through SDSF;
- write JCL statements, learning how to specify which program to run and which (input and output) data sets to pass.
This course is also available as four separate modules: Mainframe computing introduction, MVS and z/OS overview, ISPF/PDF basics, and JCL.
Schedule a training?
Delivered as a live, interactive training – available in-person or online, or in a hybrid format. Training can be implemented in English, Dutch, or French.
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Calendrier publique des formations
Il n'y a pas de sessions publiques à ce moment. Nous organisons volontiers un cours en entreprise ou une session publique supplémentaire (en cas d'un nombre suffisant de participants). Intéressé? Contactez-nous.
Intended for
Every starting user of z/OS: programmers, analysts, job schedulers, system programmers and end users.
Background
No specific background is required.
Main topics
- Hardware
computer architecture • binary data • CPU • memory • I/O • IBM mainframe • storage • channel subsystem • peripheral devices • network • multi-processing • LPAR • sysplex - Concept of MVS
Virtual and real storage • paging • address spaces • system initialisation (IPL)
Evolution of MVS to z/OS - Task management • storage management • resource and workload management
- Data management
Access methods • data organisation • the catalog • storage management subsystem (SMS) • dataset types • storage media • database types (Db2, IMS) - Applications
traditional & object oriented • programming languages (COBOL, PL/1, Java) • runtime environments (CICS, IMS, WebSphere) - JES and job management
- Recovery and monitoring
- z/OS subsystems
User interaction (TSO, ISPF, USS (Unix shell), zLinux) • security (RACF) • data communication monitors • Db2 • SDSF • Web based access (HTTP, TCP/IP, WebSphere, MQ) • ... - Overview of ISPF
logon and logoff, call up ISPF/PDF, screen types, menu structure, action bar, help function, ISPF data set names
- ISPF settings and function (PF) keys
- Finding/locating data sets and members
member selection, scrolling, find, locate - View/Edit
main commands (save, cancel, find, change, undo) • line commands (copy, move, delete, repeat, insert) • columns (indentation, bounds, cols) • treatment of members (copy, move, create, replace, cut, paste) • edit profile (caps on/off, recovery on/off) - Basic data set utilities
allocation, move/copy, library utilities, dataset list - Batch jobs and use of the spool
submit of Job Control Language (JCL), display of the spool with SDSF (Spool Display and Search Facility) - The Job Entry Subsystem (JES) and batch processing
- The JCL different statements and their function
JOB statement (accounting information, job scheduling & execution parameters, job output specification) • EXEC statement (parameters PGM, PROC, PARM, COND, TIME, ...) • DD statement (data set description, resource specification, output description, in-stream data sets) • IF-THEN-ELSE construction • OUTPUT statement - Job log and job output • SDSF manipulation
- Special datasets and associated parameters
concatenation • partitioned and sequential data sets • temporary data sets • backward references • GDG • SMS parameters • JOBLIB • STEPLIB • ...
- INCLUDE and JCLLIB
- Use of procedures
definition • parameters • changing and adding • symbolic parameters
- Debugging of JCL, frequent abends, ...
- JES2 control statements
Training method
This is mainly a practical training: additional to the live instructor-led explanations and demonstrations, a lot of time is spent on practical exercises.
Certificate
At the end of the session, the participant receives a "Certificate of Completion".
Duration
5 days.
Course leader
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