THIS PAPER DISCUSSES THE GUI DESIGN PROCESS, AS IT APPLIES TO FRONT-ENDING AN IMS MAINFRAME APPLICATION. TOPICS COVERED INCLUDE: WHEN A NEW INTERFACE IS NEEDED, THE BENEFITS AND COSTS OF USING WORKSTATIONS AS FRONT-ENDS TO MAINFRAMES, THE UI DESIGN PROCESS AND PRINCIPLES, LEVELS OF COOPERATIVE PROCESSING, RECOMMENDED APPROACH TO INTRODUCE WORKSTATIONS INTO A MAINFRAME ENVIRONMENT AND A CASE STUDY.
