Run command window helps you to run programs, open the files and folders. As a result, your system answers to the text that you have typed previously, and then the user can proceed with the next command line that shows up. With the help of the CLI, you can communicate with your system by typing the text in commands. Also, you can use PowerShell which can automize many system administration tasks and these tasks are not approachable in command prompt. The command-line interpreter (CLI) for windows is CMD.EXE. CMD LineĬMD Line is a text-based interface that transfers the command from the user to the OS. This command Settles and consolidates fragmented files on local volumes to improve system performance. The DEFRAG Windows command-line tool is to Defragment hard drive volumes.