Chapter 1 Introduction to Shells
IN THIS CHAPTER
Shells are a necessity when using key components of nearly all operating systems, because they make it possible to perform arbitrary actions such as traversing the file system, running commands, or using applications. As such, every computer user has interacted with a shell by typing commands at a prompt or by clicking an icon to start an application. Shells are an ever-present component of modern computing, frequently providing functionality that is not available anywhere else when working on a computer system.
In this chapter, you take a look at what a shell is and see the ...
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