What is the AS400 Computer System?
The AS400 computer system, introduced by IBM in 1988, is a powerful midrange server platform designed to support enterprise applications with high reliability, scalability, and security. Known today as IBM i, the AS400 integrates hardware, an operating system (OS/400), and a database into a unified system, making it ideal for complex business processes like financial management, inventory control, and supply chain operations. It is widely recognized for its seamless backward compatibility, allowing companies to run legacy applications alongside modern software. For IT professionals looking to maximize their AS400’s potential, IBM i Redbooks provide comprehensive guides and best practices to enhance performance and streamline system management.