Operating Systems and Linux programming are essential areas in modern computing that help users understand how computers manage hardware, software, processes, memory, and file systems. This book provides a practical introduction to operating system concepts along with hands-on Linux programming techniques. It covers topics such as process management, shell scripting, system calls, file handling, multitasking, and Linux commands, enabling students and professionals to develop efficient system-level applications and gain real-world programming skills in the Linux environment.

Business Research Methods is an essential subject that helps students and professionals understand the techniques used for collecting, analyzing, and interpreting business data for effective decision-making. This book provides a clear introduction to research concepts, research design, data collection methods, sampling techniques, statistical analysis, and report writing. It enables readers to develop practical research skills and apply scientific methods to solve real-world business problems and support organizational growth.

Human Resource Management focuses on managing people effectively within an organization to improve productivity, employee satisfaction, and organizational growth. This book provides an introduction to key HR concepts such as recruitment, training and development, performance management, compensation, employee relations, and workplace ethics. It helps students and professionals understand modern HR practices and develop the skills needed to manage human resources in a dynamic business environment.