Introduction to IT Systems

This book is a practical guide designed to empower readers with essential digital literacy skills, making it ideal for beginners, students, and professionals seeking to enhance their understanding of computers, the internet, and online safety. Covering foundational topics in computing and web technology, it serves as an entry point into the digital world. The book begins with Basic Internet Skills, helping readers understand how to browse the web, use search engines effectively, and manage email communication. The Basics of Computers section introduces hardware, software, file systems, and operating system fundamentals, forming the cornerstone for all future digital learning. A dedicated chapter on Operating System Installation (Windows/Linux) equips readers with hands-on knowledge to install and configure operating systems independently-a skill vital for self-reliance and troubleshooting. This is complemented by an introduction to the Unix shell and basic command-line operations, offering readers a taste of open-source environments and scripting capabilities. To build web presence and creativity, the book includes a beginner-friendly module on HTML and CSS, guiding readers in creating their own personal web pages. Recognizing the growing importance of digital safety, the final section addresses Information Security Best Practices, including password management, phishing awareness, and safe browsing habits. With clear explanations, step-by-step tutorials, and real-life applications, this book is an indispensable tool for anyone aiming to gain confidence and competence in today's digital age. Whether for academic, personal, or professional growth, it lays a strong foundation in computer and internet literacy.