INTRODUCTION
The book you hold in your hands is an introductory textbook on the Linux operating system. As the title suggests, it provides you with the essential knowledge to begin using and managing this powerful operating system (OS), which is an important one in today's computing world. The following pages describe why you should care about Linux, describe the purpose of the Linux Professional Institute's Linux Essentials certification, offer advice on who should buy this book, describe how the book is organized, and explain some of the typographical and organizational elements within the book's chapters.
What Is Linux?
Linux is a clone of the Unix OS that has been popular in academic and business environments for years. Linux consists of ...
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