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Fundamentals of Linux by Oliver Pelz

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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

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