This report provides a comprehensive analysis of Enterprise Resource Planning (ERP) systems, specifically focusing on their application within Amazon's business operations. The report begins with an introduction to information systems and explores various categories, including Data Processing Systems (DPS), Management Information Systems (MIS), Decision Support Systems (DSS), Executive Information Systems (EIS), and Expert Systems. It then delves into the core functions of ERP systems, highlighting their role in managing business functions, improving collaboration, and enhancing productivity. The report also discusses the benefits of ERP systems, such as cost savings, streamlined processes, and improved forecasting capabilities, while acknowledging the challenges associated with implementation and organizational culture. The study then provides a real-life case study of Amazon's ERP system, examining how it integrates various platforms to automate processes, improve customer service, and reduce manual data entry. The conclusion summarizes the key findings, emphasizing the importance of ERP systems in managing business functions effectively.