Discover this vintage IBM VTAM Macro Language Guide, an essential resource for understanding IBM's Virtual Telecommunications Access Method (VTAM) Level 2. This guide, published in 1975, provides detailed information on VTAM Macro Language for various IBM operating systems including DOS/VS, OS/VS1, OS/VS2 SVS, and OS/VS2 MVS. It's a valuable piece of retro computing history for enthusiasts and collectors of early IBM mainframe documentation.This lot includes two distinct items: the primary VTAM Macro Language Guide and its Supplement for the Program Operator. Both documents are housed within a durable brown binder, offering insights into the complex world of vintage telecommunications software development and system operations. These original documents are key components for anyone interested in preserving or studying the evolution of IBM's foundational software systems.Verified Specifications:
Brand: IBM
Product: Virtual Telecommunications Access Method (VTAM) Level 2 for DOS/VS, OS/VS1, OS/VS2 SVS, OS/VS2 MVS
Item Type: Manual, Supplement
Publisher: IBM
Publication Details:
Copyright Year: 1975
Part Number: GC27-6994 (Main Guide), GC27-0036-1 (Supplement)
Format: Binder (housing Softcover documents)
Logos/Graphics: IBM logo
Substrate/Material: Paper, Card Stock (binder)
Lot Count: Lot of 2 Documents (Main Guide & Supplement)
