Vishram Singh - Textbook of Anatomy Upper Limb and Thorax.. Volume 1 (1).pdf
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1. Operating System
Operating system is a collection of
programs that control all hardware and
other resources in the computer
system.
Computer is useless without Operating
system
Act as a Interface between User and
computer
When computer is ON ,OS will first load
into the main memory
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2. Functions of OS
File management
Operating system creates and manages the
directory system on the secondary storage
devices
Text editor
Used to create simple text file
Running multiple programs simultaneously
Display and deal with errors when it happens
Act as a communication link between users
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3. Popular Operating systems for PC
DOS
Windows95
Windows XP
Windows vista
Windows 7
Windows 8
Linux
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4. Types of operating System
GUI-Graphical User Interface
Contains graphics and icons and is commonly navigated
using by mouse
Multi User:A multi user operating system allows for
multiple user to use the same computer at the same
time
Multi-processing: operating system compatible of
supporting and utilizing more than one computer
processor
Multi tasking: Operating system that allow multiple
7. Contents of windows
Desktop
Screen that you can starting windows
Icons
Small graphical pictures that represents a file ,application ,device,etc.
Menu
List of related commands that used to perform tasks in windows and
windows application
Taskbar
Long horizontal bar at the bottom of the screen
Window
Window is a boxed area in which view programs, files ,folders, drives etc
File
File is a collection of text or any type of data stored on a storage device
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9. What is Ubuntu? "ഉമുണ്ടു-ൻഗുമുണ്ടു-ൻഗബണ്ടു"
'(umuntu ngumuntu ngabantu')
•Ubuntu is a Linux-based Operating System
•It is Most Popular Linux Distribution.
•It is open sourced
Cost free
non-proprietary
•Strong focus on
Usability
Easy to installation
One user (initially— you can add more users
10. OPEN SOURCE
• Run for any purpose
• Study source code
• Modify source code
• Distribute and Publish
11. ORIGIN
• Ubuntu is an African concept
meaning “humanity toward
others”
• It is developed under Debian
Project.(Largest Linux software
development community)
12. Features
• Many different distributions
• Huge group of “free software proponents”
(open source)
• Ubuntu is free and always will be free.
• No key codes, activation, registration
• Ubuntu is most popular Linux-based OS
in the world (10 million users now)
13. Features(conti.)
• It take less
•installation time
•boot up time
•shut downtime
•Space
•Dual boot with Windows , MAC
14. Compatible
• Natively Compatible with MS programs
•MS Word
•Excel
•PowerPoint
•Outlook
•Publisher
•Dreamweaver
•Project
•Adobe Acrobat
