Graphical Data Display Manager (GDDM)

Comprehensive and easy-to-use functions for showing data on IBM display terminals and other devices

IBM Graphical Data Display Manager (GDDM) is a "family" of programs that provides vital presentation services in IBM host data processing applications.

IBM Graphical Data Display Manager (GDDM) is a "family" of programs that provides vital presentation services in IBM host data processing applications.
Includes the User Control facility
The Image Symbol Editor
The Composite Document Print Utility
File-conversion utilities
GDDM-OS/2 Link and GDDM-PCLK, and
The Print Queue Manager (on MVS/TSO)