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Finally, there is a very brief introduction to the Korn (ksh) and the
Almquist (ash) shells.
Running bash
Just about every Linux user has used bash at least once. As one of the original GNU
projects, it has been in development since 1987. Version 3.0 was released in July 2004 and
is included in openSUSE Linux. As you might guess from the name, bash (Bourne Again
Shell) is the logical successor to the venerable Unix shell (sh) written by Steve Bourne.
This is a shell best adapted for running scripts to automate tasks.
You can tweak bash??™s performance by editing the .bashrc configuration file. Root can edit
the systemwide .bashrc, and each user on the system may have his or her own configuration
file, although a user cannot override the system configuration.
Looking at a configuration file provides both a sample of the kinds of things you can do
with a shell and offers a glimpse at the syntax each shell uses to perform its tasks. The
default system configuration in openSUSE, bash.bashrc, is located, like other configuration
files, in the /etc directory.


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