Download open source operating system

OPEN SOURCE
OPERATING SYSTEM
SUBMITTED BY:
JYOTI BATRA
SIMRAN PREET KAUR
NISHA SHARMA
NIRMAL DEEP KAUR
OPEN SOURCE
Open source software is often, but not always,
totally free of acquisition. Open source software
refers to applications developed in which the user
can access and alter the "source" code itself.
(source code is the code of the program written in
a certain programming language).
OPERATING SYSTEM
Operating system is the software that you use
to operate your PC. If the operating system
is platform dependent, platform information
will belong in the hardware section.
Examples:
• Linux OS
• Windows
ADVANTAGES OF OS
 Free Redistribution
 Reduced dependence on software vendors
 Easier to customize
 Higher level of security
 Use of System Resources
DISADVANTAGE OF OS
 Unanticipated Efforts
 Lack of coordination
 Inadequate technical support
 Customization
SELECTING OF OS
 Intended use
 Commercial support
 Hardware compatibility
 Software compatibility
 Community
OS SECURITY APPs
 ClamAV
 ModSecurity
 Eraser
 Wipe
 Disk Cleaner
 Crypt etc.
LICENSING TERMS

GPL License required.

All code, whether developed cooperatively or
separately, licensed on the same terms.

Use of copyright law to restrict downstream
“enclosure” . This is the distinction between open
source and public domain software.
LINUX
A very popular open source operating system that
runs on a variety of hardware platforms . Linux is
widely deployed as a server OS . Linux is a multitasking, multiuser operating system .Although
modified by numerous people.
LINUX VARIANTS
 SlackWave Linux
 Ubuntu Linux
 Kubuntu Linux
 Debian Linux
 JAD Studio
 Mepis Linux
LINUX FEATURES
 Costs Less
 Stable
 Reliable
 Extremely Powerful
APPLICATIONS OF LINUX
 Firefox
 Miro
 Mplayer
 Open Office
 Paint.Net
 Easy Tag
 OpenGoo
Architecture of Linux Kernel
System
Call Interface
System
Call Interface
Process
Management
Virtual File
System
Memory
Management
Network
Stack
Arch
Device Drivers
Architecture of Linux
Operating System
User Applications
User
Space
GNU C Library
GUI
Linux
System Call Interface
Kernel
Architecture
Kernel Code
Architecture Kernel Code
Kernel
Space
LINUX vs. WINDOWS
LINUX
WINDOWS
 Free of Cost
 Cost
 Faster Upgrading
 Slower Upgrading
 Backward Compatibility
 Forward Compatibility
 Multi-User Support
 Multi-User support
 Difficult for Programmer
 Easy for Programmer
Other Open Source Software
Web Browser :
 Firefox and Thunderbird
 Mozilla
Digital Collections Management
• Dspace
• Greenstone
CONCLUSION
OSS operating systems are free to download,
but the time it takes to learn about them can
be costly.
“When is it best to use Linux and when
should some other operating system be
preferred?”
 It all depends on the user
QUESTIONS?