Knowra Windows NT Windows NT Windows NT is a family of Microsoft operating systems built on a portable, protected-mode architecture. Introduced in 1993, it became the foundation for modern Windows desktop and server editions.
Windows NT kernel : The core of Windows NT that manages hardware resources, threads, interrupts, and communication between system components. Its hybrid design coordinates NT’s executive services with low-level hardware control.
Dave Cutler : An American computer engineer who led the design of Windows NT after leading development of DEC operating systems. Cutler brought experience designing portable, multiprocessor operating systems to the NT project.
Protected mode : A processor operating mode that supports memory protection, privilege levels, and controlled access to hardware. NT relies on protected execution to isolate applications from one another and the kernel.
Windows 2000 : A Windows NT-based operating system released by Microsoft in 2000 for desktop, professional, and server use. It brought NT to mainstream business desktops while extending the family’s server role.
UNIX : A family of operating systems originating at Bell Labs, known for portability, multitasking, and a hierarchical file system. NT and Unix addressed overlapping workstation and server needs through different system traditions.
Windows NT Executive : The kernel-mode subsystem that provides core operating-system services, including object management, memory management, and I/O. It implements many of the services that distinguish NT from a minimal kernel.
Windows NT 3.1 : The first released version of Windows NT, launched in 1993 for workstation and server use. Its release established the NT family as a distinct line of Windows systems.
Virtual memory : A memory-management technique that gives processes separate address spaces backed by physical memory and storage. Separate address spaces are central to NT’s process isolation.
Windows XP : A Windows operating system released in 2001 that combined the NT codebase with consumer-oriented editions. XP replaced the consumer Windows 9x line with an NT-based system.
Linux : An open-source, Unix-like operating-system kernel first released by Linus Torvalds in 1991. Linux became a major alternative to NT-based Windows on servers and other platforms.
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