Today, we learned that IBM s 36? For many years, the top 500 global firms relied on IBM I, sometimes known as "IBM I. They enjoy the dependability, toughness, and security of the IBM platform in addition to the many advantages it offers. Some people consider the IBM I to be an antiquated 5250 green screen system that only supports DB2, RPG, and COBOL. But a lot of commonly held misconceptions regarding this computer platform are false. This article delves into some lesser-known facts about IBM, from life before IBM to its current "un boundaries."