The Trainer's Friend, Inc.

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I call myself the trainer's friend because I create z/OS application programmer training materials that ...

trainers (including myself) can use for live classroom based training
trainers (including myself) can use for remote training
organizations can use to build an entire library of course materials
students can use for self study
are supplemented by a number of stand-alone technical papers

These courses cover:

Application programming concepts (z/OS)
TSO/ISPF
CLIST, REXX, Dialog Manager
JCL, DFSORT, Utilities
Assembler language
COBOL
Language Environment
VSAM
z/OS UNIX System Services

The style of these courses:

Lectures unfold in a natural order
Students get hard copy of lecture foils
Focus on essentials / essence of each topic
Hands on machine exercises integral to the content
Information on how to access related technical documents

This page last updated: 12 September, 2025
Copyright © 2025 by Steve Comstock