[Lenay Nichols]

The purpose of a command line is to let a user talk to the computer by typing instructions instead of clicking on icons or menus. It gives direct control over the operating system and is often faster and more powerful than using a graphical screen, especially for technicians.
With a command line, you can do basic tasks like moving between folders, creating or deleting files, and checking what is stored on the computer. For example, commands like cd changes from one directory to another, dir shows what files are inside a folder, and del removes files.
Command lines are also helpful for checking how the computer is running. You can see which programs are open, stop a frozen program, or check system information.
You can also use the command line to help fix network problems.
Overall, the command line is important because it helps technicians control, fix, and manage computers more easily, even if the screen or mouse is not working.