Chapter 1. What Is This Unix Stuff?

Welcome to Sams Teach Yourself Unix in 24 Hours, Fourth Edition! This hour starts you toward becoming a Unix expert. Our goal for the first hour is to introduce you to some history of Unix and teach you where to find help online.

Goals for This Hour

In the first hour, you will learn

  • The history of Unix

  • Why it's called Unix

  • What multiuser systems are all about

  • The difference between Unix and other operating systems

  • About command-line interpreters and how users interact with Unix

  • How to use man pages, Unix's online reference material

  • Other ways to find help in Unix

What Is Unix?

Unix is a computer operating system, a control program that works with users to run programs, manage resources, and communicate with other computer ...

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