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This book is a collection of all of the things that the author has learned and actually used in real-world, meaningful infrastructure software in a career spanning over 25 years, presented in a structured way. It first covers the fundamental things that you should know about the systems that run all this software, their available facilities, and then progress into higher level concerns for building up more significant software and services.

This book is about Systems Programming, with a skew towards POSIX systems. Important considerations about Windows and specific UNIX dialects is called out and discussed where relevant.

The code examples in this book are written in the Rust programming language, however, the knowledge is presented in a way that is intended to be transferable to other systems programming languages/environments.

This book is not a beginners guide to the Rust language, or programming as a basic concept, but you shouldn't need to have any particular prior experience with Systems Programming itself to make sense of this book; the information is applicable from junior through to veteran programmers.

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