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 can use for live classroom based training
trainers can use for remote training
organizations can use to build an entire library of course materials
students can use for self study

These courses cover:

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

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

© 2026 Steven H Comstock - All rights reserved
Last update: Saturday 21 February, 2026 at 19:02:10 PST