Back before the invention of the mouse and Graphical User Interface, was the command prompt. Every operating system (e.g. UNIX, CP/M, MS-DOS, VMS, etc.) of the day had some type of command line interface.
There are still command prompt power user and purest. If you're one of these people check out ultimate list of command prompt power tricks. These tricks will show you how to fully utilize the Window's command prompt.
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