What is the AS400 System?
The AS400 system, also known as the IBM iSeries or IBM i, is a midrange server developed by IBM, designed for small and medium-sized enterprises. Launched in 1988, it is renowned for its robust architecture, scalability, and reliability, making it ideal for handling mission-critical business applications. The system integrates an advanced operating system (OS/400, now IBM i), a database, and a variety of development tools, offering an all-in-one solution for enterprise resource planning (ERP), customer relationship management (CRM), and other complex business processes. For in-depth technical resources and best practices on leveraging AS400 capabilities, consult the IBM i Redbooks, which provide expert guidance on system optimization and modernization.