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Character User Interface (CUI)
A Character User Interface (CUI) is a way for users to control a computer by typing text-based
commands. Because it uses only commands, it’s also called a Command Line Interface (CLI).
This type of interface provides a command prompt to the users. In this type of interface, you type
commands into a command prompt to make the computer do specific tasks. Examples of CUIs
include DOS and the Windows Command Prompt.
Tech Tweak
You can open the Windows Command
Prompt by pressing the Windows + R
shortcut key. The Run dialog box appears.
Type cmd and click on the OK button.
Advantages of CUI
There are some advantages of using a CUI:
It’s simple to understand.
It takes input and gives output in text form.
It requires less system resources compared to GUIs. Tech Tweak
Disadvantages of CUI Users can enter commands by
typing one or two lines of text
There are also some disadvantages of using a CUI:
called command lines.
It’s hard for people to remember all the commands.
It’s not user-friendly compared to modern user interfaces.
It can be slow because you have to type every command.
Graphical User Interface (GUI)
A Graphical User Interface
(GUI) type of user interface that
allows people to interact with
computers using graphical
elements like windows, icons,
buttons, and menus. Instead of
typing commands like in a CUI,
users can click, drag, and drop
elements to perform tasks.
This makes it easier because
you don’t have to remember
commands. You can control the computer just by clicking with the mouse. Some example of
GUIs-based operating systems includes Windows and Mac.
10 TrackGPT iPRO (V5.0)-VIII

