This document provides an overview of human resource management. It defines HRM and traces its historical evolution from personnel management. The key topics covered include the definitions of HRM, the distinction between personnel management and HRM, the functions of HR managers, the fields and approaches of HRM, and the evolution of HRM over time from its origins in employee guilds and the industrial revolution to modern strategic HRM practices. The document also outlines the main functions and components of an HRM system and different viewpoints on managing human resources.