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Lesson 7. Command-Line Interface > Using the Command-Line Interface

Using the Command-Line Interface

In a graphical interface, programs are controlled primarily by selecting and clicking menus and windows with buttons and text fields. As such, you can usually discover what a program is capable of doing just by examining the onscreen options. A command-line interface executes individual programs, called commands or tools, that you enter. A command consists of the name of the command followed by any options (often called switches) that you choose to provide, and any arguments for the command. Note that command names are case-sensitive. To execute a typed command, press the Return key.

The command prompt is the starting point for entering commands in a command-line interface. It can be daunting to stare at the command prompt if you're used to a graphical interface because there are no helpful onscreen hints suggesting what to do.


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