Why Use the Command Line?
Moving from the GUI to the command line is a conscious choice for most people, although it is increasingly rare that it is an absolute choice accompanied by a complete abandoning of GUIs.
Reasons for using the command line include the following:
• You want to chain two or more commands together.
• You want to use a command or parameter available only on the shell.
• You are working on a text-only system.
• You have used it for a long time and feel comfortable there.
Chaining two or more commands together, or piping, is what gives the shell its real power. Hundreds of commands are available, and by combining them in different ways you get tons of new options. Some of the shell commands are available through the GUI, ...
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