Chapter 1. Introduction to Shells and PowerShell
IN THIS CHAPTER
Shells are a necessity when using 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 dealt with a shell by typing commands at a prompt or by clicking an icon to start an application. Shells are inescapable when you’re working on a computer system.
In this chapter, you take a look at what a shell is and see the power that can be harnessed by interacting with one. To do this, you walk through some basic shell commands, and then build a shell script from those basic commands to see how they can become more ...
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