Differences between CLI and GUI Explained
There are two ways to interact with an operating system: Command Line Interface and Graphical User Interface. This tutorial explains and compares both interfaces and explains their differences.
The default interface on Linux
Linux supports both interfaces. CLI is the default. GUI is optional. The installation process lets us select or skip it. If we skip it, CLI becomes the default environment. If we select it, GUI becomes the default environment. The default environment provides the default login screen. For example, if we install the GUI environment, it provides the default login screen. If we skip it, CLI provides the default login screen.
If both interfaces are installed, we can switch between them using the ALT and Ctrl keys and choose the preferred interface to log in. If we use the CLI interface, the login process drops us directly on the command prompt. If we use the GUI interface, the login process presents the default desktop environment. The desktop environment includes terminals. A terminal is an application that emulates the CLI environment on the GUI desktop and allows us to run commands. Whether we use a terminal or default CLI, commands work similarly on both platforms.
Differences between CLI and GUI
| CLI | GUI |
| CLI stands for Command Line Interface. | GUI stands for Graphical User Interface. |
| It is faster than GUI. | It is slower than CLI. |
| It is complex. | It is easy. |
| It requires a knowledge of commands. It is not for beginners. It needs a command for every task. You can not perform a task unless you know the necessary command. | It does not need the knowledge of commands. It is for all. You can perform all essential tasks without learning commands. |
| It provides the default login screen if the GUI is not installed. | If installed, it provides the default login screen. |
| It is the default and only available interface in maintenance mode. | It is not available in maintenance mode. |
| It requires less hardware to run. | It needs more RAM and CPU to operate. |
| Most Linux distributions use it as the default interface for their Server editions. | Most Linux distributions use it as the default interface for their workstation editions. |
| It is the default interface for remote login protocols such as SSH and Telnet. | Only a few remote login protocols use it. |
| It is less convenient to use. | It is easy to use. |
Conclusion
The differences between CLI and GUI lie in speed and convenience. CLI is faster but less convenient. GUI is more convenient but slower. Which platform you use is a matter of choice and experience. Administrators prefer CLI while regular users like GUI.
Author Laxmi Goswami Updated on 2025-12-29