Wikipedia:Today's featured article/September 17, 2006

Windows 2000 is a business-oriented graphical operating system that was designed to work with either uniprocessor or symmetric multi-processor (SMP) 32-bit Intel x86 computers. It is part of the Microsoft Windows NT line of operating systems and was released on February 17 2000, but has since been superseded by newer Microsoft operating systems. Windows 2000 came in four versions: Professional, Server, Advanced Server, and Datacenter Server. Additionally, Microsoft offered Windows 2000 Advanced Server Limited Edition, which was released in 2001 and runs on 64-bit Intel Itanium microprocessors. Windows 2000 is preemptible and interruptible, and is classified as a hybrid kernel operating system, as its architecture is divided into user mode and kernel mode. The kernel mode provides unrestricted access to system resources and facilitates the user mode, which is heavily restricted and designed for most applications. All versions of Windows 2000 have common functionality, including many system utilities such as the Microsoft Management Console and standard system management applications such as a disk defragmentation utility. (more...)

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