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GUI operating systems are interactive and user friendly.
It replaces the commands that we used in the CUI
interface with icons, buttons, and menus. A user does
not need to remember all the commands. GUI allows us
to give commands to the computer by simply clicking
with the mouse. Examples of GUI are Windows XP,
Windows Vista, Windows 7, Windows 8, Windows 8.1,
Windows 10, Windows 11, Mac, LINUX (Fedora, Ubuntu,
BOSS, etc).
Advantages of GUIz
There are many advantages of GUI over CUI:
• It is easy to use, especially for beginners.
• It is more appealing and attractive as compared to CUI.
• It provides the feature to use multiple applications at the same time.
• It is not necessary to remember the commands to operate this interface.
• It provides remote access to a computer.
• It enables easy exchange of information between software through cut and paste or 'drag and
drop' methods.
• It usually provides users with immediate, visual feedback about the effect of each action.
Disadvantages of GUI
There are many disadvantages of GUI:
• It takes large amount of hard disk space than CUI.
• It uses more processing power.
• It needs more memory (RAM) to run.
i + A COMPARISON BETWEEN CUI AND GUI
CUI (Character User Interface) GUI (Graphical User Interface)
1. It provides lots of commands to perform It provides icons, buttons, windows, and
different types of operations. menus to give commands.
2. A user needs to remember all the A user does not need to remember
commands. commands. He can just click on the icons,
menus etc.
3. It uses the keyboard to give commands. It uses a mouse, a stylus, or fingers to give
commands.
4. Examples are DOS, Windows Command Examples are Windows, MacOS, etc.
Prompt, etc.
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Operating System

