PART 1Introducing the Shell
This introductory part of the book is a quick tour through some of the most useful features of all shells. We also describe features of Unix-like operating systems that shells take advantage of.
Unlike the rest of the book, the chapters in Part 1 are not intended to be exhaustive in detail. They're here to give you a flavor of how much you can do with a shell. Even if you've used shells for years, we suggest that you at least skim through this part to spot hints and tips you might not know about.
CHAPTER 1Introduction to Shells
What's a Shell?
A shell is a program that runs other programs. It's full of features that make your computer easier to use. Shells can find programs and files quickly, remember what you've ...
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