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The Linux Command Line by William E. Shotts Jr.

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Final Note

In this chapter, we took our first steps toward interactivity, allowing users to input data into our programs via the keyboard. Using the techniques presented thus far, it is possible to write many useful programs, such as specialized calculation programs and easy-to-use frontends for arcane command-line tools. In the next chapter, we will build on the menu-driven program concept to make it even better.

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