operating systems

                OPERATING 

SYSTEMS..

Presented by,R.MujeebabehamFinal year,CSE.

SEQUENCE:

UNDERSTANDING OPERATING SYSTEMS

HISTORY

SALIENT FEATURES COMPARISON

ADVADAGES AND DISADVANDAGES

I.UNDERSTANDING OPERATING SYSTEMS

1.what is o/s?

Set of programs containing instructions that work together to coordinate all the activities among computer hardware resources.

The interface between the user and the computer hardware.

User Application

Operating system

2.COMPUTER HIERARCHY:

3.OPERATIONAL INTERACTION

       O/S

4.TYPES OF O/S:

•Real-time operating system (RTOS)

•Single-user, single-tasking

•Single-user, multi-tasking

•Multi-user, multi-tasking

II.HISTORY

1.Time Line chart

2006

2007

2008

2009

2010

2014

Mac OS 10.5

Kubuntu

Windows Vista

Windows server 2008

Windows 7

2.Most Common Operating Systems

LINUX

MAC

III.SALIENT FEATURES COMPARISON

1.VIRUSES

Operating System

Number of Viruses

windows 60,000

Mac 70

Linux 40

2.LINES OF CODE:

Operating System

Lines of Code

Windows 89 million

Mac 50 Million

Linux 40 Million

IV.ADVANTAGES AND DISADVANDAGES 

1.Windows

WINDOWS

Familiar Update

Gaming Supporting

Easy to use Advandages:

WINDOWS

Not stable Not secure

Expensive

DisadvandagesWindows

MAC

secure stable

Better to Graphic Designer

Great GuIMAC Advantages

MAC

Difficult Mouse

Not All S/WRun

 No Gaming 

MAC Disadvantages Platform Depentent

Linux

Low PC Requirement

Stable

Source code Secure

Free

Linux Advantages

Linux

 Not SupportHard to learn,Use & install 

Not allS/W Run

DisadvandagesLinux

Operating System Evolution

•50s main frame era60s microprocessor80s game consoles90s Personal Computers2010 open source mobile OS2020 online OS

THANK YOU...