In the field of computer science, an interface is a tool and concept that refers to the interaction  between the computer and the user that is both applicable to the hardware and software. Its the  communication that interacts the user to the computer through the use of the keyboard and monitor via an input and output system with the internet. The most frequently used interfaces are the graphical user interface(GUI pronounced as “gooey”) and the command line interface(CLI). The graphical user interface uses windows, icons, and menus that can be done by a mouse through clicking and sometimes by a keyboard as well.

On the other hand, a command line interface is either a text string based or character key based which means that the entire screen shows text only and the users only need their keyboard to interact to the computer. CLI is best described in MS DOS and in LINUX when it is used in console mode. The GUI and CLI also have advantages and disadvantages. So let’s compare these two interfaces. Some people would say that the GUI is likely to be more user friendly than the CLI because its easier to understand and to remember because all you have to do is to click or drag your mouse anywhere on the screen and you can also do multitasking tasks which allowed you to open or run more programs at the same time. On the contrary, CLI is not user friendly because it require the user to remember a lot of commands with the use of the keyboard alone and is very much difficult to do a multitasking tasks in the CLI environment.

Although some CLI is capable of multitasking but it do not offer the same ease and ability compared to the GUI environment. If we talked about the memory of the computer particularly the RAM, the GUI used larger space because there are elements that need to be loaded  such as icons, mouse drivers and other drivers, while the CLI don’t need these elements, so the CLI only used less space of memory compared to the GUI. In addition, the CLI can easily modify the configuration settings of the computer system.

Most of the experienced programmers preferred to used Command Line Interface(CLI), while most ordinary users preferred to used the Graphical User Interface(GUI).

Advantages and Disadvantages of CLI and GUI

By glaiza1014

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