7 Best-Selling Information Technology Books Millions Love

William Shotts draws on over three decades in software and two decades deeply immersed in Linux to craft this accessible guide to the Linux command line. You’ll move beyond point-and-click interfaces to master file management, system administration, and shell scripting with Bash, gaining fluency in essential commands like grep, sed, and Vi editing. The book also unpacks the philosophy and Unix heritage underpinning Linux, offering insights into why the command line remains a powerful tool. If you want to develop practical skills that let you control your Linux environment confidently, this book is a solid choice, especially if you’re new to the command line but eager to grow beyond basics.

Douglas E. Comer's deep involvement with the Internet project since the late 1970s and his role as inaugural VP of Research at Cisco Systems give this book a foundation few can match. You'll explore the latest IPng developments, security considerations in TCP/IP environments, and detailed explanations of bridges, routers, and routing architectures for networks of all sizes. The book clarifies TCP transport services with rigor, making it ideal for those seeking to understand the technical underpinnings, not just surface-level concepts. If you want to grasp how modern TCP/IP networks operate and are structured, this volume offers solid, authoritative guidance without unnecessary complexity.

This tailored book explores practical methods and expert approaches in Information Technology, crafted to match your background and goals. It covers essential IT concepts such as system administration, networking, security, and cloud computing, while diving into personalized topics you want to focus on. By combining widely validated knowledge with your specific interests, the book reveals insights that millions of readers have found valuable, helping you navigate the complex IT landscape with clarity. This personalized guide emphasizes learning efficiency by focusing on your unique goals, ensuring that every chapter you read advances your skills and understanding in ways that truly matter to you. It’s a custom path through IT mastery designed just for you.

Mike Chapple, James Michael Stewart, and Darril Gibson bring decades of cybersecurity expertise to this authoritative guide for CISSP certification. You’ll explore detailed coverage of all 2021 exam domains, including security risk management, network security, identity access, and software development security, supported by over 900 practice questions and interactive learning tools. The authors’ combined experience in teaching millions of students shapes clear explanations and practical exam preparation strategies, such as audio reviews and electronic flashcards. This book suits those committed to earning CISSP certification and building a solid foundation in information security principles.

What if everything you knew about software development was challenged by the need to integrate development and operations seamlessly? Aruna Ravichandran and her co-authors, leveraging their extensive leadership roles at CA Technologies, walk you through building a DevOps-enabled software factory designed to accelerate software delivery while maintaining quality. You'll explore methods to remove bottlenecks like manual release processes, apply continuous delivery, and use real-time behavioral analytics to simulate production environments. This book is geared toward IT leaders tasked with transforming their organization's software pipeline, but developers, operations teams, and security professionals can also gain insights into agile practices and metrics that bridge traditional divides.

Malcolm Harkins draws on his extensive experience as a security executive to challenge the traditional view of information security as merely a defensive measure. Instead, he shifts focus toward enabling business growth while managing risks in an increasingly complex technological landscape. You'll find discussions on integrating security with business priorities, understanding emerging threats, and leveraging new technologies like social media and IoT responsibly. Chapters explore frameworks for balancing privacy, regulatory demands, and risk tolerance, making this especially useful if you navigate security strategy in dynamic enterprise environments.

This personalized IT learning book offers a focused 30-day plan tailored to your professional background, current skill level, and specific interests within Information Technology. It explores core concepts ranging from networking fundamentals and cybersecurity essentials to cloud services and automation, matching the knowledge to your goals. By concentrating on what matters most to you, this tailored guide reveals practical, reader-validated knowledge that accelerates skill acquisition efficiently. The book combines widely recognized IT principles with your unique preferences, creating an engaging learning experience that supports rapid mastery of relevant topics. It emphasizes clear explanations and real-world applications, helping you build confidence and competence in your IT career trajectory.

Drawing from his role at Politecnico di Milano, Angelo Geraci curates thirteen doctoral dissertations that showcase emerging research in Information Technology. You’ll explore a diverse range of topics—from systems engineering and telecommunications to computer science innovations—each chapter breaking down complex studies into accessible summaries. This collection highlights how interdisciplinary approaches drive recent advances, making it relevant for those interested in academic research trends or technological development. If you seek an overview of cutting-edge IT research framed by rigorous methods and real-world applications, this book offers a concise yet substantive resource.

What happens when decades of practical business management intersect with emerging computer technologies? Jae K. Shim, drawing on extensive experience, offers a guide tailored for executives unfamiliar with programming yet needing to grasp information systems essentials. You’ll learn how databases, networking, and software applications in accounting, finance, marketing, and manufacturing can support decision-making and strategic planning. The book’s real-life examples, such as financial modeling and inventory optimization, make abstract IT concepts tangible for managers aiming to leverage technology without technical jargon. If you’re seeking to understand and apply IT tools to improve business outcomes, this book lays out a clear, accessible path, though it’s best suited for non-technical executives rather than IT specialists.