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March 5, 2025 @ 4:26 PM By Siddhant Saxena
IBM i, formerly known as AS/400 and iSeries, remains a powerful enterprise platform, renowned for its security, scalability, and seamless integration capabilities. Despite evolving technology landscapes, IBM i continues to be a preferred choice for businesses that require reliability, efficiency, and modernization support.
Launched in 1988, AS/400 (Application System/400) was a revolutionary system designed to simplify business computing. It integrated hardware, software, and database management, making it a robust platform for enterprises. Its built-in security and stability made it a popular choice across industries.
In the early 2000s, IBM rebranded AS/400 as iSeries, bringing improved performance, expanded capabilities, and a shift toward a more scalable infrastructure. It retained the core strengths of AS/400 while incorporating new advancements in application development and database management.
IBM i, the latest iteration, runs on IBM Power Systems and offers a fully integrated operating system. It is designed to support modern applications while maintaining compatibility with legacy systems. Businesses benefit from a robust architecture, high availability, and support for emerging technologies like artificial intelligence, IoT, and cloud computing.
IBM i is recognized for its ability to deliver seamless business operations. Its core features include:
IBM i offers numerous advantages, making it a long-term solution for companies looking to optimize their IT infrastructure:
Due to its integrated nature, IBM i reduces the need for additional software, middleware, and extensive IT management. Businesses save on operational costs while maximizing efficiency.
IBM i supports multiple programming languages, including RPG, COBOL, Java, PHP, and Python. This flexibility enables businesses to develop new applications without discarding legacy systems.
With built-in security features, IBM i helps businesses comply with industry regulations and protect sensitive data against cyber threats.
IBM i continues to evolve, integrating with emerging technologies like AI, big data analytics, and cloud computing. This ensures that businesses can modernize their applications without undergoing costly migrations.
With digital transformation accelerating, businesses are increasingly adopting cloud hosting solutions for IBM i. Here’s why:
IBM i is widely used in various industries, including:
Despite the evolution of cloud computing and other modern platforms, IBM i continues to be a preferred solution due to:
IBM i (formerly AS/400 and iSeries) has stood the test of time by continually evolving to meet the demands of modern businesses. With its integrated architecture, unmatched reliability, and scalability, it remains a powerhouse for enterprises looking to optimize operations. Whether on-premises or in the cloud, IBM i ensures businesses stay competitive and future-ready.
For a more in-depth exploration, read the full article on “Everything You Need to Know About the AS400 iSeries (IBM i)” here: https://programmers.io/blog/everything-to-know-about-ibmi-as400-i-series/.
About the author:
Siddhant is a tech enthusiast and IBM i programmer based in Coppell, Texas. He has expertise in multiple platforms such as IBM i/AS400/RPGLE/COBOL, Dot Net, PHP, Angular 2+, Node.js, etc. Currently appointed at Senior IBM i Developer at https://programmers.io/.