This document provides an overview of enterprise resource planning (ERP) systems. It discusses what ERP is, the evolution and history of ERP from MRP systems, key features and modules of ERP like finance, human resources, manufacturing, material management, and sales. It also covers ERP implementation methodology and steps. Major ERP vendors like Oracle, SAP, Baan and Sage are described. The role of chartered accountants in ERP audits and challenges they may face are also summarized. Finally, the conclusion emphasizes that accountants need ERP knowledge to effectively perform their roles.