Step-by-step explanation:
the user interacts directly with the system in a text-based environment by entering commands on the keyboard at a command prompt, the system executes the command, often providing textual output. As a user, you normally interact with the operating system through a set of commands. For example, the DOS operating system contains commands such as COPY and RENAME for copying files and changing the names of files, respectively. The commands are accepted and executed by a part of the operating system called the command processor or command line interpreter. Graphical user interfaces allow you to enter commands by pointing and clicking at objects that appear on the screen,