Weiss S. System Programming in Linux. A Hands-On Introduction 2025

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Weiss S. System Programming in Linux. A Hands-On Introduction 2025

Textbook in PDF format Learn to write real Linux software—not just run it. Most programmers never learn how Linux really works. Why ? Because system programming is rarely taught, and the tools can be intimidating without the right guidance. As a result, many developers stick to high-level languages and frameworks—writing code that runs on Linux without understanding how it interacts with Linux. In today’s world, that’s not enough to stand out. Especially as more companies turn to AI to write their software, the question becomes: How do you stay relevant in an AI-driven world ? You learn how things really work. If you’ve ever wondered how processes are created, how memory and files are managed, or how programs communicate in a Unix environment, System Programming in Linux will make it all make sense. This is a hands-on guide to writing software that interfaces directly with the Linux operating system. You’ll go beyond shell commands and abstractions to understand what the kernel is doing—and how to leverage it through your own code. Rather than telling you how to solve each problem, Professor Stewart N. Weiss guides you through the process of discovering the solution yourself. Start with the core concepts of Unix and Linux, then work your way up to advanced topics like process control, signals, interprocess communication, threading, and non-blocking I/O. Each chapter includes conceptual diagrams, annotated source code, and practical projects to help you immediately apply what you’ve learned. You’ll explore topics such as: The structure of Unix and Linux operating systems—and why it matters. Using system calls to create and manage processes. The mechanics of signals, timers, and interprocess communication. Using synchronization tools to write multithreaded programs. Interacting with filesystems, devices, and terminals. Building text-based user interfaces using ncurses. Developing programs that are robust, efficient, and portable. At Hunter College, Professor Weiss built the course this book is based on, and he has helped thousands of students go from confusion to confidence in his over 40 years of teaching programming. His clear, conversational style; technical depth; and focus on real-world application make this one of the most approachable and powerful system programming books available. As Linux continues to dominate development, server, and embedded environments, understanding the system behind your software isn’t just helpful; it’s essential. Whether you’re a student, developer, or sysadmin, this book gives you the tools to work directly with Linux and the insight to understand what’s really happening under the hood