Book Image

Fundamentals of Linux

By : Oliver Pelz
Book Image

Fundamentals of Linux

By: Oliver Pelz

Overview of this book

Linux is a Unix-like operating system assembled under the model of free and open source software development and distribution. Fundamentals of Linux will help you learn all the essentials of the Linux command line required to get you started. The book will start by teaching you how to work with virtualization software and install CentOS 7 Linux as a VM. Then, you will get to grips with the workings of various command line operations, such as cursor movement, commands, options, and arguments. As you make your way through the chapters, the book will not only focus on the most essential Linux commands but also give an introduction to Bash shell scripting. Finally, you will explore advanced topics, such as networking and troubleshooting your system, and you will get familiar with the advanced file permissions: ACL, setuid, and setgid. Fundamentals of Linux includes real-world tasks, use cases, and problems that, as a system administrator, you might encounter in your day-to-day activities.
Table of Contents (7 chapters)

Introduction to Linux

An operating system (OS) is a special piece of software running on your computer to make it possible to start and run programs such as Microsoft Word and Excel. Besides that, it handles your computer's input and output for you and delivers filesystem and hardware control. Examples of operating systems you may already know are Windows, macOS, iOS, or Android.

In this chapter, we'll cover the following topics:

  • An overview of the Linux system
  • Virtualization
  • Installing VirtualBox and CentOS
  • Working with VirtualBox
  • Connecting VMs through SSH