OPEN SOURCE OPERATING SYSTEM SUBMITTED BY JYOTI BATRA

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 Clam. AV Mod. Security 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 Slack. Wave 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 Open. Goo

Architecture of Linux Kernel 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 Kernel Space

LINUX vs. WINDOWS

LINUX Free of Cost Faster Upgrading Backward Compatibility Multi-User Support Difficult for Programmer WINDOWS Cost Slower Upgrading Forward Compatibility Multi-User support 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? ” Ø It all depends on the user

QUESTIONS?