Windows NT is a family of operating systems produced by Microsoft, the first version of which was released on July 27, 1993. It is a processor-independent, multiprocessing and multi-user operating system. The first version of Windows NT was Windows NT 3.1 and was produced for workstations and server computers.
The next version was NT 5.0, which was re-branded as Windows 2000 before release, followed by Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, and the most recently Windows 10. The NT version number was not used for marketing purposes after Windows NT 4.0 but is still used internally and said to reflect the degree of changes to the ...
Kernel mode in Windows NT has full access to the hardware and system resources of the computer. The Windows NT kernel is a hybrid kernel; the architecture comprises a simple kernel, hardware abstraction layer (HAL), drivers, and a range of services (collectively named Executive), which all exist in kernel mode.
- Comparison with Windows 95
Windows NT 4.0 is an operating system that is part of Microsoft's Windows NT family of operating systems. It was released to manufacturing on July 31, 1996, and was launched to retail on August 24, 1996. It was Microsoft's primary business-oriented operating system until the introduction of Windows 2000. Workstation, server and embedded editions were sold; all editions feature a graphical user interface similar to that of Windows 95. Microsoft ended mainstream support for Windows NT 4.0 Workstat
The successor to Windows NT 3.51, Windows NT 4.0 introduced the user interface of Windows 95 to the Windows NT family, including the Windows shell, File Explorer, and the use of "My" nomenclature for shell folders. It also includes most components introduced with Windows 95. Internally, Windows NT 4.0 was known as the Shell Update Release. While many administrative tools, notably User Manager for Domains, Server Manager and Domain Name Service Manager still used the old graphical user interfaces
Although the chief enhancement has been the addition of the Windows 95 shell, there are several major performance, scalability and feature improvements to the core architecture, kernel, USER32, COM and MSRPC. Windows NT 4.0 also introduced the concept of system policies and the System Policy Editor. Other important features were: 1. Crypto API 2. Telephony API 2.0 with limited Unimodem support, which was the first release of TAPI on Windows NT 3. DCOM and new OLE features 4. Microsoft Transactio
Windows NT 4.0, like previous versions of Windows NT before it and versions after it, is a fully 32-bit OS, while Windows 95 is a 16/32-bit hybrid OS. While providing much greater stability than Windows 95, Windows NT 4.0 was less flexible from a desktop perspective. Much of the stability was gained through the use of protected memory and the hardware abstraction layer. Direct hardware access was disallowed and "misbehaving" programs were terminated without needing the computer to be restarted.
Windows NT 4.0 Server was included in versions 4.0 and 4.5 of BackOffice Small Business Server suite.
An Option Pack was available as a free-bundled CD starting around 1998, which included IIS 4.0 with Active Server Pages, FrontPage Server Extensions, Certificate Server, MTS, MSMQ, CDONTS, Internet Authentication Service, Indexing Service, Microsoft Management Console 1.0, Microsoft Site Server, SMTP and NNTP services and other new software. Several features such as Distributed File System and Windows NT Load Balancing Service were delivered as addons for Windows NT Server 4.0. The Routing and R
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- Operating system goals
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Windows NT 3.1 is an operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released on July 27, 1993. At the time of Windows NT's release, Microsoft's Windows 3.1 desktop environment had established brand recognition and market share; but Windows 3.1 relied on the DOS operating system for essential functions, and it had a constrictive 16-bit architecture. Windows NT, however, was a complete, 32-bit operating system that retained a desktop e
While Microsoft had a major foothold on the personal computer market due to the use of its MS-DOS as the de facto operating system of IBM PC compatibles, Nathan Myhrvold identified two major threats to Microsoft's monopoly—the RISC architecture, which proved to be more ...
In May 1990, Microsoft released Windows 3.0, a new version of its MS-DOS-based Windows desktop environment. Windows 3.0 sold well, and the resulting shift in Microsoft's marketing strategy eroded their partnership with IBM—who wanted Microsoft to concentrate solely on ...
Windows NT 3.1 and Windows NT 3.1 Advanced Server were released on July 26, 1993. At first, only the x86 and MIPS versions shipped; the DEC Alpha version followed in September. Microsoft sold the workstation version for $495, and the server version for $1,495. Ostensibly, the ser
Cutler set three main goals for Windows NT. The first goal was portability: in contrast to previous operating systems, which were strongly tied to one architecture, Windows NT should be able to operate on multiple architectures. To meet this goal, most of the operating systems, including the operating system core, had to be written in the C programming language. During the planning phase it was clear that this would cause Windows NT to have higher memory consumption than all previous operating s
While Windows NT 3.1 uses the same graphical user interface as Windows 3.1, it was developed anew. The operating system is not DOS-based, but an independent 32-bit operating system; many concepts were taken from Cutler's previous operating system, VMS. The architecture of Windows
Windows NT 3.1 provides a boot manager called NTLDR which is loaded during the startup process of the operating system on x86-based computers. It allows a multiboot setup of multiple instances of Windows NT 3.1, as well as MS-DOS and OS/2 1.x. NTLDR is not used for the RISC versi
Windows NT 3.1, for the most part, comes with 32-bit versions of the components featured in Windows 3.1 and Windows for Workgroups. However, it also included applications specifically aimed at the needs of Windows NT, like the User Manager, the Performance Monitor, the Disk Admin
Windows NT 3.1 supports multiple platforms: Aside from the x86 architecture, it runs on computers with DEC Alpha or MIPS processors. Minimum system requirements on x86 systems include a 25 MHz 80386 processor, at least 12 megabytes of memory, 75 megabytes of hard drive space, and a VGA graphics card. RISC systems require 16 megabytes of memory, 92 megabytes of hard drive space, and a CD-ROM drive. The Advanced Server edition requires an 80386 processor with 16 megabytes of memory and 90 megabyte
Windows NT 3.1 sold about 300,000 copies in its first year. The hardware requirements were deemed to be very high at that time; the recommended system requirements of a 486 processor with 16 megabytes of memory were well above the average computer's configuration, and the operating system turned out to be too slow to use. 32-bit applications which could have used the capabilities of Windows NT 3.1 were scarce, so users had to resort to the old 16-bit applications; however, these ran slower than
Windows NT 3.51 is the third release of Microsoft's Windows NT line of operating systems.It was released on May 30, 1995, nine months after the release of Windows NT 3.5, and three months before the release of Windows 95.
- 3.51 (Build 1057: Service Pack 5) / September 19, 1996; 24 years ago
- May 30, 1995; 25 years ago
- Closed source
Starting with Windows NT 3.1, it is the default file system of the Windows NT family.  NTFS has several technical improvements over the file systems that it superseded – File Allocation Table (FAT) and High Performance File System (HPFS) – such as improved support for metadata and advanced data structures to improve performance ...
Windows NT merupakan sebuah sistem operasi 32-bit dari Microsoft yang menjadi leluhur sistem operasi Windows 2000, Windows XP, Windows Server 2003, dan Windows Vista.Sistem operasi tersebut pada awalnya mendukung beberapa platform mikroprosesor, dimulai dari Intel 80x86 (hingga sekarang), MIPS R4x00 (dihentikan pada versi Windows NT 4.0), Digital Equipment Corporation Alpha AXP (dihentikan ...
Windows NT 4.0 was released in June 1996, introducing the redesigned interface of Windows 95 to the NT series. On February 17, 2000, Microsoft released Windows 2000, a successor to NT 4.0. The Windows NT name was dropped at this point in order to put a greater focus on the Windows brand. Windows XP