This book is a practical guide to Linux commands for beginner and intermediate users. It focuses on essential skills for file and process management, providing step-by-step instructions for manipulating files and directories, managing running processes, and understanding basic terminal commands. The explanations are clear and accompanied by concrete examples for better understanding. Whether you are a computer science student or a user looking to improve your file management skills, this book is an indispensable tool for learning Linux commands and increasing your efficiency