Linux in a Nutshell, Fifth Edition > The Bash Shell and Korn Shell > unset

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Linux in a Nutshell, Fifth Edition

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Preface

Ch. 1. Introduction

Ch. 2. System and Network Administration Overview

Ch. 3. Linux Commands

Ch. 4. Boot Methods

Ch. 5. Package Management

Ch. 6. The Bash Shell and Korn Shell

Arithmetic Expressions

Built-in Commands (Bash and Korn Shells)

Ch. 7. Pattern Matching

Ch. 8. The Emacs Editor

Ch. 9. The vi, ex, and vim Editors

Ch. 10. The sed Editor

Ch. 11. The gawk Programming Language

Ch. 12. Source Code Management: An Overview

Ch. 13. The Concurrent Versions System (CVS)

Ch. 14. The Subversion Version Control System

Colophon

Index

unset

    unset [options] names

Erase definitions of functions or variables listed in names.

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Contents

Chapter 6. The Bash Shell and Korn Shell > unset