We need an interface to interact with the computers. An
operating system provides an user interface to input the commands and
instructions.
Types of User Interfaces
There are 2 types of user interfaces.
- Command Line Interface – CLI
- Graphical User Interface – GUI
Command Line Interface (CLI)
This kind of interface was used by all the operating systems
of the early days. This interface had a prompt where the commands are typed in
by using the keyboard. Following the correct ‘Syntax’ was important in these
types of OS.
Graphical User Interface (GUI)
Almost all the present day operating systems are using
Graphics in their user interfaces. There are four components in GUI’s known as
WIMP.WIMP stands for
·
Windows
·
Icons
·
Menus
Pointer
(mouse pointer)
