Customers value IBM's AS/400's reliability, stability, and security. However, despite its impressive performance and use of independent software vendors to broaden its functionality, AS/400 suffers from the perception that its an ancient technology.
cost benefit analysis
services at the lowest cost, and with the greatest ease of use and efficiency. To that end, the AS/400 systems of the late 1980s and early 1990s came with a highly integrated, native programming environment that included procedural languages such as RPG . RPG, which stands for Report Program Generator , was a programming language created by IBM in the mid-1960s to develop business applications, and especially to generate reports from data. Its newest version, RPG IV , is still widely used on iSeries