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perform various tasks. It also provides an interface between compilers, interpreters, assemblers and other
software to the various users.
Processor
Device Management Memory
Managemnt Management
File
Security Operating System Management
System Error
Audit Detection
Interface
TYPES OF OPERATING SYSTEMS
An Operating Systems is categorized on the basis of the functionality
provided by it.
Some major types of operating system are:
Single-user Operating System
A Single-user operating system is designed for use on one computer
by one user at a time. Windows, MS DOS and Mac OS are single-user
operating systems.
Multi-user Operating System
A Multi-user operating system is designed for use on more than one computer by several users simultaneously.
Unix and Linux are multi-user operating systems.
CUI Operating System
A Character User Interface (CUI) operating system lets a user issue
commands to a computer by typing the instructions. These instructions
consist of keywords that are recognizable to the operating system. The
instructions are typed after a prompt, called command prompt. Each
instruction has to be remembered separately and typed in a specific
format. MS DOS and UNIX are examples of CUI operating systems.
GUI Operating System
A Graphical User Interface (GUI) operating system lets a user issue commands to a computer by interacting
with various graphical components, called icons, on the computer screen. The icons represent files, folders, and
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