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LINUX LINUX WINDOWS WINDOWS Vs. Vs.

comparing windows and linux ppt

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hello frnds, myself krishna ballabh gupta .from sce d.dun .In this presentation we compare the windows and linux operating system.

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LINUX WINDOWSLINUX WINDOWS

Vs.Vs.

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CONTENTSCONTENTS

What is an Operating System..???What is an Operating System..???Introducing Linux..Introducing Linux..Introducing Windows..Introducing Windows..Comparison between Linux and WindowsComparison between Linux and WindowsConclusionConclusion

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What is an operating system?What is an operating system?

A program that controls the execution of A program that controls the execution of application programsapplication programs An interface between applications and An interface between applications and

hardware.hardware. Makes the computer more convenient to useMakes the computer more convenient to use

Manages the resources of the computerManages the resources of the computer Allows resources to be used in an efficient Allows resources to be used in an efficient

mannermannerExamples of OS??Examples of OS??

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Services Provided by the OSServices Provided by the OS

Program execution Program execution Access to Input/Output (I/O) devices Access to Input/Output (I/O) devices Disks, screens, keyboards, miceDisks, screens, keyboards, micePrinters, cameras, speakers, etc.Printers, cameras, speakers, etc.

Controlled access to filesControlled access to filesSystem access System access Sometimes: Program development Sometimes: Program development Compilers, editors and debuggers Compilers, editors and debuggers

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Introducing LinuxIntroducing Linux

Linux was originally built by Linus Torvalds at Linux was originally built by Linus Torvalds at the University of Helsinki in 1991. the University of Helsinki in 1991. Linux is a Unix-like, Kernal-based, fully memory-Linux is a Unix-like, Kernal-based, fully memory-protected, multitasking operating system .protected, multitasking operating system .Open Source Operating System.Open Source Operating System.Free SoftwareFree SoftwareSource Code AvailableSource Code AvailableIt runs on a wide range of hardware from PCs to It runs on a wide range of hardware from PCs to Macs. Macs.

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Introducing WindowsIntroducing Windows

First version of Windows – Windows 3.1 First version of Windows – Windows 3.1 released in 1992 by Microsoft.released in 1992 by Microsoft.Windows is a GUI based operating system Windows is a GUI based operating system It has powerful networking capabilities, is It has powerful networking capabilities, is multitasking, and extremely user friendlymultitasking, and extremely user friendly

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FlavorsFlavorsWINDOWS

Windows 95Windows 98Windows MeWindows 2000Windows 2003Windows XPWindows vistaWINDOW 7WINDOW 8

LINUXSuseFedoraRedhatDebianUbuntuKnoppixSlackwareLycorisLinspire (Lindows)

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Graphical User Interface(GUI)

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Text Mode Interface

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OfficeOffice

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BrowserBrowser

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Computer UsersComputer Users

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Fundamental Difference between Fundamental Difference between Linux & WindowsLinux & Windows

One fundamental difference between the One fundamental difference between the two systems is the fact that Linux is "open two systems is the fact that Linux is "open source". source".

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Comparing ApplicationsComparing ApplicationsLinux falls short in the number of different Linux falls short in the number of different applications available for it.applications available for it.There are much more various applications There are much more various applications available for Microsoft since the population available for Microsoft since the population of Window’s users is greater than Linux’s of Window’s users is greater than Linux’s Since Microsoft is more popular, the Since Microsoft is more popular, the Hardware products are aimed at the Hardware products are aimed at the biggest market – Windows, such that the biggest market – Windows, such that the product would be sold and used widely product would be sold and used widely

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Comparing Applications Cont.Comparing Applications Cont.

Linux programs distributes freely since Linux programs distributes freely since they are not developed by commercial they are not developed by commercial software companies, but instead are software companies, but instead are created under the GNU Public License, created under the GNU Public License, which makes the software free which makes the software free

Linux software lacks the GUI and is Linux software lacks the GUI and is therefore not “liked” by many users therefore not “liked” by many users

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Comparing Applications Cont.Comparing Applications Cont.

Windows has its own share of problems – Windows has its own share of problems – the fact that some software is not the fact that some software is not compliant for different versions of windows compliant for different versions of windows (i.e. Windows 95/98) and many times the (i.e. Windows 95/98) and many times the GUI concept is overused such that GUI concept is overused such that command arguments cannot be passed to command arguments cannot be passed to the program the program

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Linux advantages in Kernel and the Linux advantages in Kernel and the OS environmentOS environment

Linux requires 386 architecture to run. Linux requires 386 architecture to run. Thus, it is compatible with any improved Thus, it is compatible with any improved architecture such as 486, Pentium, architecture such as 486, Pentium, Pentium Pro, etc Pentium Pro, etc There are drivers available for much many There are drivers available for much many types of hardware devices types of hardware devices

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Contd…Contd…

Linux program installation seems to be Linux program installation seems to be easier since it only requires a restart when easier since it only requires a restart when hardware device has been changed hardware device has been changed Linux supports multiple copies of the Linux supports multiple copies of the Kernel on the system such that if an error Kernel on the system such that if an error is encountered and the Kernel becomes is encountered and the Kernel becomes corrupted, a different copy of the Kernel corrupted, a different copy of the Kernel can be used to boot up the system can be used to boot up the system

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ReliabilityReliability

OS it must not crash, even under extreme OS it must not crash, even under extreme loads. OS should process requests even if loads. OS should process requests even if the operating system or hardware fails the operating system or hardware fails

Windows seems to be less stable even Windows seems to be less stable even though the latest versions of Windows – though the latest versions of Windows – 2000 and XP are far more improved than 2000 and XP are far more improved than the incredibly buggy Windows 95 the incredibly buggy Windows 95

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SecuritySecurity

Linux seems to be more prepared for Linux seems to be more prepared for protecting itself because of the beginning protecting itself because of the beginning developments of Linux, UNIX, and developments of Linux, UNIX, and FreeBSD which were aimed at top notch FreeBSD which were aimed at top notch securitysecurityLinux allows does not create registry keys Linux allows does not create registry keys in a way Windows does allowing a user to in a way Windows does allowing a user to browse installed components registry browse installed components registry keys, which contain important information keys, which contain important information

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Security contd…Security contd…

Linux is more virus proof since viruses – Linux is more virus proof since viruses – malicious programs either cannot be run malicious programs either cannot be run automatically on the Linux machine, or automatically on the Linux machine, or simply are not capable of being executed simply are not capable of being executed on a 386 architecture on a 386 architecture Windows is often known for a large Windows is often known for a large amount of loop holesamount of loop holes

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Information Protection andSecurity

Access control regulate user access to the system

Information flow control regulate flow of data within the system and

its delivery to users Certification

proving that access and flow control perform according to specifications

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Financial DifferencesFinancial Differences

COSTCOST

LINUXLINUX WINDOWSWINDOWS

Online DownloadsOnline Downloads FreeFree Not AvailableNot Available

Retail Price, CDRetail Price, CD $50$50 $300$300

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Financial DifferencesFinancial Differences

Companies have to spend millions for Companies have to spend millions for licenses for ever individual windows licenses for ever individual windows computercomputerFor Linux companies don’t have to spend For Linux companies don’t have to spend anythinganything

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Technical DifferencesTechnical Differences

Keeping up to date: Linux upgrades faster Keeping up to date: Linux upgrades faster than Windowsthan Windows

Compatibility: Linux is Backward Compatibility: Linux is Backward Compatible unlike Windows.Compatible unlike Windows.

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Technical DifferencesTechnical Differences

Features Provided:Features Provided:Both support Dynamic CachingBoth support Dynamic CachingBoth have Multi-user SupportBoth have Multi-user Support

Application differencesApplication differencesNo commercial word processor for Linux, No commercial word processor for Linux,

which matches the quality for Windows which matches the quality for Windows

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End-User DifferencesEnd-User Differences

Proprietary vs. Open sourceProprietary vs. Open source Windows is a Proprietary TechnologyWindows is a Proprietary Technology

Applications will only work on Applications will only work on WindowsWindows

Linux – Open SourceLinux – Open Source

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FILE SYSTEMFILE SYSTEMImplements long-term storeInformation stored in named objects called filesOS typically offers the following file operations:

creating, deleting, renamingreading, writinglocking, unlocking

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FILE SYSTEM Contd…FILE SYSTEM Contd…

NTFS v EXT3 We have used EXT2 and EXT3 as the

Linux FS due to their popularity NTFS is the primary XP FS– Not backwards compatible with Win2k