UNIX® Shells by Example Fourth Edition

Chapter 11. The Interactive Korn Shell

Introduction

With an interactive shell, the standard input, output, and error are tied to a terminal. When using the Korn (ksh) shell interactively, you type UNIX/Linux commands at the ksh prompt and wait for a response. The interactive Korn shell combined the best of the UNIX Bourne and C shells to provide you with a large assortment of built-in commands and command-line shortcuts, such as history, aliases, file and command completion, and so forth. David Korn expanded his shell to include a lot more, such as command-line editing with vi and emacs, new metacharacters, coprocessing, and error handling. The Korn ...