Chapter 7. Using the Command Line
The command line is a blank line where you type a command. No icons, no menus, no buttons. Well, not totally blank. A few characters, called the system prompt, display at the beginning of the line, followed by a blinking square, called a cursor. If you haven't worked in DOS or at the command prompt in Windows, a command-line interface (CLI) may be new territory for you.
The blinking cursor signals that the shell is waiting for you to type a command. The shell, a computer program, provides the interface between you and the part of Linux that executes the command—the kernel. The shell provides the command line where you enter the command, accepts your input, interprets it, processes it, and executes the resulting ...
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