As400 Guide

The (Application System/400), introduced in 1988, is a renowned family of midrange computers designed for business applications. While the original hardware is no longer in production, its core architecture lives on in today’s IBM Power Systems running the IBM i operating system. Evolution and Rebranding

: Everything on the system—files, programs, and devices—is treated as an object , which significantly enhances security and stability. The (Application System/400), introduced in 1988, is a

Over worldwide—including 16,000 banks—still rely on this platform for mission-critical workloads. The (Application System/400)

: AS/400 launched as the successor to System/36 and System/38. 2000 : Rebranded as iSeries . 2006 : Renamed System i . introduced in 1988