Computer commands are instructions given to a computer to perform specific tasks. These commands can be entered through a command line interface or executed through graphical user interfaces. They help users interact with the operating system and software applications, allowing for actions like opening files, running programs, or managing system settings. Common examples of computer commands include copy, paste, and delete. Each command has a specific function that helps users manipulate data and files efficiently. Understanding these commands can enhance productivity and streamline workflows, making it easier to navigate and utilize computer systems effectively.