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Topic 1

Command Line Interface (CLI).

With some examples


The command line interface (CLI) is a program used to access the operating system on the computer and perform tasks using commands. The command line interface (CLI) was the only way to interact with the operating system on the computer before the graphical user interface (GUI) was available. The command line interface (CLI) is also known as the command prompt in Windows and terminal in Linux.

The command line interface (CLI) is used for the following: