Old-timers are wedded
to the shell they learned at school. There??™s no real reason to give the shell a second
thought, is there? Of course there is!
By default, openSUSE (and pretty much all the other Linux distributions) installs the bash
(Bourne Again SHell) shell as the standard command-line interface. There??™s certainly no
reason not to take this fine choice and run with it. But this is Linux, and there??™s
absolutely no reason not to explore some or all of the alternatives to bash included in
openSUSE. This section will introduce you to these options, tell you how to change shells
temporarily and permanently, and then offer pointers on how to use a shell productively.
NOTE
Learn even more about using shells, including writing shell scripts to automate tasks,
in Chapter 8, ???Shaking Hands with Your Shell.???
Cool Stuff That All Shells Have in Common
The shell is not just a keyboard-based program launcher. It is a powerful tool you can use
to get lots of things done quickly??”if you know how to use it. Some shells are designed
for running scripts to automate tasks, and others work best interacting with its favorite
user??”you! Following are some of the things that all shells have in common:
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