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    is a computer operatingsystem which is based on freeand open source software.

    Although many differentvarieties of Linux exist, allare Unix-like and based on theLinux kernel, an operating

    system kernel created in 1992by Linus Torvalds.

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    a 21-year-old student at the Universityof Helsinki, Finland . best known forhaving initiated the development ofthe Linux kernel. started working onsome simple ideas for an operatingsystem. At first, hes doing (free)operating system and his starting to getready. He later became the chief

    architect of the Linux kernel, and nowacts as the project's coordinator. Healso created the revision controlsystem Git.

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    is a multitasking, multi-user computer operatingsystem originally developed in 1969 by a groupof AT&T employees at Bell Labs, including KenThompson, Dennis Ritchie, Brian Kernighan, DouglasMcIlroy, and Joe Ossanna. Unix was re-written in theprogramming language Cby Dennis Ritchie.

    AT&T- is an American multinational telecommunicationscorporation. It is the largest provider of mobiletelephony and fixed telephony in the United States and isalso a provider of broadband and subscriptiontelevision services.

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    is a Unix-like computer operating system developedby the GNU project , aiming to be a complete unix-

    compatible software system.

    GNUis a corecursive acronym for "GNU's Not Unix!",chosen because GNU's design is Unix-like, but differsfrom Unix by being free software and containing

    no Unix code.

    Richard Stallman

    started the Free Software Foundation andwrote the GNU General Public License in1989.

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    is a Unix operating system derivative developed and distributed bythe Computer Systems Research Group (CSRG) of the University ofCalifornia, Berkeley.

    BSD has been considered a branch of UNIX because it shared theinitial codebase and design with the original AT&T UNIX operatingsystem.

    The earliest distributions of Unix from Bell Labs in the 1970s includedthe source code to the operating system, allowing researchers

    at universities to modify and extend Unix

    BERKELEY SOFTWARE DISTRIBUTION

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    Mini-Unix. is a Unix-like computer operatingsystem based on a microkernel architecture createdbyAndrew S. Tanenbaum for educationalpurposes.

    Torvaldsbegan the development of theLinux kernel on MINIX, and applicationswritten for MINIX were also used on Linux.Later Linux matured and it became

    possible for Linux to be developed underitself.

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    The Linux kernelis an operatingsystem kernel used by the Linux family of Unix-like operating systems. It is one of the most

    prominent examples of free and open sourcesoftware.

    Today, Linux distributions are used in everydomain, from embeddedsystems to supercomputers and have secured aplace in server installations often using thepopular LAMP application stack. The federalgovernment of Brazil is well known for itssupport for Linux. They have also gainedpopularity with various local and nationalgovernments. The federal government of Brazil is

    well known for its support for Linux.

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    Topic Linux Windows

    Price

    The majority of Linuxvariants are available for freeor at a much lower price thanMicrosoft Windows.

    Microsoft Windows can runbetween $50.00 - $150.00 USdollars per each license copy.

    EaseAlthough the majority Linuxvariants have improveddramatically in ease of use,

    Windows is still much easierto use for new computerusers.

    Microsoft has made severaladvancements and changesthat have made it a mucheasier to use operating

    system, and althougharguably it may not be theeasiest operating system, it isstill Easier than Linux.

    Reliability The majority of Linuxvariants and versions arenotoriously reliable and can

    Although Microsoft Windowshas made great improvementsin reliability over the last few