IBM MAINFRAMES

Mainframe Concepts

  • Introduction to IBM Mainframe Systems.
  • IBM Mainframe Architecture.
  • Data and Job Management.
  • Operating Systems.
  • TSO, ISPF.

ADMIN MODULE

COBOL

  • Introduction to COBOL and its versions.
  • COBOL Program Structure.
  • Field Declaration – Data Types.
  • COBOL Statements
  • ACCEPT
  • DISPLAY
  • MOVE
  • INITIALIZE
  • IF STATEMENT.
  • STRING and UNSTRING.
  • COMPUTE.
  • Computational Usages.
  • STOP RUN, GOBACK, EXIT PROGRAM.

FILE HANDLING

  • How to use files in COBOL Program?
  • File Programming using Sequential, Indexed and Relative Files.
  • Realtime programs using Files.

TABLE HANDLING

  • Array Declaration.
  • Using arrays in programs with.
  • Search & Search All.
  • Subscripting & Indexing.

JCL (Job Control Language)

  • Introduction to JCL – Batch Processing (JES2 & JES3).
  • JOB, EXEC and DD statements - Parameters.
  • JOBLIB, STEPLIB and JCLLIB.
  • Symbolic & Overriding Parameters.
  • Instream & Cataloged Procedures.
  • Temporary Datasets.
  • RESTART, PARM, COND, Referback, DUMMY, TYPRUN.
  • GDG and its uses
  • Sorting & Merging files.
  • Reformatting file data.
  • INCLUDE, OMIT
  • JCL Errors and resolving abends.
  • Coding Realtime JCLs.

VSAM (File Concept)

  • Introduction to VSAM.
  • VSAM Datasets – ESDS, KSDS, RRDS.
  • Space Management.
  • Alternate Indexes.
  • Dataset Structures.
  • Defining Clusters.
  • IDCAMS – Repro, Print, Alter, Delete.
  • Start , Invalid Key.
  • Accessing VSAM files from COBOL.
  • File status codes and abend codes.
  • Coding Programs using VSAM Files.

CICS (Customer Information Control System)

  • Introduction to CICS.
  • Batch vs Online Systems.
  • CICS System Tables.
  • Triggering CICS Transactions.
  • Conversational and Pseudo-conversational Programming.
  • BMS Macros – Maps and Mapsets.

CICS Commands

  • EIB
  • Commarea
  • Exceptional Conditions.
  • Handle Condition.
  • Ignore Condition.
  • RESP.

Control Operations

  • TDQs and TSQs.
  • Return, XCTL and LINK.
  • ASKTIME, FORMATTIME, START, ATI, CANCEL.
  • CICS Abend Codes and Resolutions.
  • Coding Online programs using COBOL, CICS, VSAM and DB2.

Tools

  • File-Aid for files & DB2.
  • Changeman.
  • Xpeditor.

Software Engineering

  • Application development covering all phases of SDLC.
  • Quality Management.
  • Documentation.

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