lfs-book/appendixa/bash-desc.sgml

<sect2>
<title>Contents</title>

<para>
The Bash package contains the bash program
</para>

</sect2>

<sect2><title>Description</title>

<para>
Bash is the Bourne-Again SHell, which is a widely used command
interpreter on Unix systems. Bash is a program that reads from standard
input, the keyboard. You type something and the program will evaluate
what you have typed and do something with it, like running a program.
</para>

</sect2>