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Linux is not a free version of Windows. The two systems differ not only visually, in the graphical user interface the user sees, but also functionally, as is frequently discussed, and legally to boot, which is constantly emphasized by the Free software community. The differences between them are so fundamental that drawing a comparison between them is nearly impossible. There are so many moot points that they could make up a very long list.
This part of my article concerns the architectures of Windows systems. The systems themselves are baffling ones, to put it mildly, but to know them is more than a necessity. (And a forced necessity sometimes…) When I say Windows, I mean the whole family of operating systems - NT/2k/XP/Vista - but mainly XP Professional. Many a time I’ve read anti-Microsoft rants, where the authors complained about lack of command line functionality (poor in Windows and very advanced in Linux), or installation processes, which create some problems and erratic application upgrades (just at the point the comparisons to Linux programs like apt-get, emerge and rpm show up). A lot of grumbles pertaining to wrongly set-up default user and root accounts could be found there. And so on.
Linux is one of the faster growing operating system. Linux is a popular, multitasking UNIX-type operating system. In addition to the basic operating system, Linux also includes many free programming languages and utility programs. Linux is not proprietary software like the operating system discussed thus far. Instead, Linux is open source software, which means its code is provided for use, modification, and redistribution. It has no restrictions from the copyright holder regarding modification of the software’s internal instructions and redistribution of the software.