The iSeries, also known as IBM AS/400, is a family of midrange computer systems designed for business applications. Introduced by IBM in 1988, it combines hardware and software into a single platform, making it suitable for various tasks like data management and enterprise resource planning. The system is known for its reliability, security, and scalability, allowing businesses to grow without needing to replace their infrastructure. The iSeries runs on the IBM i operating system, which supports multiple programming languages and databases. Its integrated architecture simplifies system management and reduces operational costs. Many organizations continue to use iSeries for its robust performance and long-term support from IBM.