Bash is the GNU Project's shell. Bash is the Bourne Again SHell. Bash is an sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh). It is intended to conform to the IEEE POSIX P1003.2/ISO 9945.2 Shell and Tools standard. It offers functional improvements over sh for both programming and interactive use. In addition, most sh scripts can be run by Bash without modification.

The Bash Reference Manual provides beginners with a simple introduction to the basics, and experts will find advanced details they need.

In this you will see the following things below.

Table of Contents

1 Introduction
2 Definitions
3 Basic Shell Features
4 Shell Builtin Commands
5 Shell Variables
6 Bash Features
7 Job Control
8 Command Line Editing
9 Using History Interactively
10 Installing Bash
Appendix A Reporting Bugs
Appendix B Major Differences From The Bourne Shell
Appendix C GNU Free Documentation License
Appendix D Indexes

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