沙盒

* Introduction:	An introduction to the shell.

• Introduction: An introduction to the shell. • Definitions: Some definitions used in the rest of this manual. • Basic Shell Features: The shell "building blocks". • Shell Builtin Commands: Commands that are a part of the shell. • Shell Variables: Variables used or set by Bash. • Bash Features: Features found only in Bash. • Job Control: What job control is and how Bash allows you to use it. • Command Line Editing: Chapter describing the command line editing features. • Using History Interactively: Command History Expansion • Installing Bash: How to build and install Bash on your system. • Reporting Bugs: How to report bugs in Bash. • Major Differences From The Bourne Shell: A terse list of the differences between Bash and historical versions of /bin/sh. • GNU Free Documentation License: Copying and sharing this documentation. • Indexes: Various indexes for this manual.