AS400 Introduction

Mainframe Training Overview

This course covers the following topics -

  1. AS400 Introduction, commands and navigation
  2. CL programming Introduction
  3. COBOL programming on the AS400 for experienced COBOL developers
  4. Db2/SQL and programming on the AS400 for experienced Db2/SQL developers
  5. REXX on the AS400 for experienced REXX developers
  6. Interactive screen design and program access
This course provides sample programs to walk the students through the typical programming development process (via step-by-step scenarios) for CL, COBOL, Db2/SQL, REXX, screen development and a little RPG.

Additional in-depth training is available

Training is also available as needed for 4-5 days each on the following topics -
  • Command Language
  • COBOL
  • Db2/SQL
  • REXX
  • Interactive screen design
Development Environment
  • AS400 with Command Language
  • COBOL
  • Db2/SQL
  • REXX
  • RPG
  • Screen Development Aid /SDA
  • Source Edit Utility
Mainframe Training Audience

This course is intended for experienced developers who need hands-on experience with AS400 development environment.
This course is also intended as a "quick start" into learning the AS400 programming environment


Mainframe Training Course duration

5 days

Mainframe Training Course outline

1. AS400 Introduction, commands and navigation

  • AS400 environment overview
  • Command abbreviations and some DSPxxx CMDs
  • AS400 Objects and Libraries
  • Menu explore & details - STRPDM - Library - Object - Member options
  • F Keys
2. SEU - Source Edit Utility
  • STRPDM / WRKMBRPDM
  • Line commands - e.g. I, D, C/M, A/B, RP, COLS, R/L, RPP, (roll) +/-
  • Command line commands - e.g. FIND, CHANGE, BOTTOM, TOP
3. CL programming Introduction
  • CLTESTR program and walk-thru example
  • Compile - display spool listing - delete spool listings
  • Basic commands - WRKSPLF and Call QCMD
  • IBM web site for commands reference
  • Create a flat file & access via CL - CRTPFD - UPDDAT - RUNQRY
    • Coding examples and walk-thru
  • Create a Database file & retrieve via CL
  • Coding examples
    • CONCAT, CHGVAR, DCL, DCLF, RTVSYSVAL
    • SNDPGMMSG
    • Build a CL program to retrieve the file and walk-thru
4. COBOL programming on the AS400 for experienced COBOL developers
  • Compile - display spool listing - delete spool listings
  • COBTESTR program and walk-thru example
5. Db2/SQL and programming on the AS400 for experienced Db2/SQL developers
  • Interactive - basic SELECT / predicates and walk-thru examples
  • Programming Singleton SELECT / CURSOR and DB2TESTR and walk-thru examples
6. REXX on the AS400 for experienced REXX developers
  • REXTESTR Walk-thru example
7. Interactive screen design with Screen Design Aid (SDA)
  • Programming access via CL and RPG
  • Compile - display spool listing - delete spool listings
  • SDA / STRSDA - basic screen design, change colors and attributes and walk-thru example
  • Programming access via CL and RPG and walk-thru example

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