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And so it is true. The easiest
and fastest way to get things done in Linux is directly from
the command line; the command line is known as the
shell. Why ???shell???? Well, if the heart of the operating
system is the kernel of the nut, clearly you have to crack
the shell to get at it.
The point-and-click graphical interface is easy, once you??™ve
learned it. Yet there is so much power behind a couple of
keystrokes in the shell that it??™s sometimes hard to think of
an easier way to do things. The big difference is the learning
curve. In the GUI, after you??™ve figured out how a
mouse works, you??™re well on your way to getting work
done. As opposed to this, that cold empty shell prompt
gives you no advice on what to do with it.
No matter how expert you are with the graphical interface,
there may be times when you have to rescue a system and
a shell prompt is all you have to work with. It??™s important
to know at least a few commands to get things going.
Throughout this book, you??™ll find plenty of ideas on using
your shell to quickly get computing tasks done.


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