The Korn Shell Quick Reference Guide:Introduction

The Korn Shell Quick Reference Guide
(Publisher: ASP, Inc.)
Author(s): Anatole Olczak
ISBN: 0935739211
Publication Date: 06/01/91

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INTRODUCTION

The Korn shell is an interactive command and programming language that provides an interface to UNIX and other systems. As an interactive command language, it is responsible for reading and executing the commands that you enter at your terminal. As a programming language, its special commands allow you to write sophisticated programs. It also provides the ability to customize your working environment.

The Korn shell offers compatibility with the Bourne shell, while providing a more robust programming language and command interpreter. It also contains some features of the C shell. Some of the major features of the Korn shell are:

  Improved performance
  Bourne shell compatibility
  Command-line editing
  Command history
  Enhanced I/O facilities
  Added data types and attributes
  Integer arithmetic support
  Arrays
  Improved string manipulation facilities
  Job control
  Aliases and functions
  Enhanced directory navigation facilities
  Enhanced debugging features

This publication is based on the 11/16/88f version, which is the latest version at the time of this printing. To check your version, execute the what command on the Korn shell binary.


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