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Windows History

August 7, 2009
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Windows 1.0

In 1983 Microsoft starts to develop the windows operating system. It is originally called interface manager. The first version of Microsoft windows Version 1.0 was released in the year November 20 1985. Windows 1.0 is not a complete operating system, but rather extends MS-DOS, and shares the latter are inherent flaws and problems.

Windows 2.0

In 1987 December 9 Microsoft Windows version 2 came out. This version 2.0 is slightly popular than the version 1.0. It becomes more popular because of its Run-Time Version with the Microsoft new Graphical Applications, Excel and Word for Windows. They can be run from MS-DOS, executing Windows for the duration of their activity, and closing down Windows upon exit.

After the two releases Microsoft released another two versions Windows/286 2.1 and Windows/386 2.1. Like previous versions of Windows, Windows/286 2.1 uses the real-mode memory model, but was the first version to support the HMA (High Memory Area)

Windows 3.0

In 1990 Microsoft released Windows version 3.0. In this version they improved capabilities given to native applications, Windows also allows a user to better multitask older and introduced the Virtual Memory. After few months they have released the Multimedia version in 3.0. This was bundled with multimedia upgrade kits, comprising a CD-ROM drive and a sound card, such as the Creative Labs Sound Blaster Pro.

Windows 3.1 and Windows NT

The name before Windows NT is OS/2. Microsoft and IBM jointly created the operating system OS/2. After their separation Microsoft named it as Windows NT. Microsoft developed Windows 3.1 with some improvements in 3.0. Version 3.1 supports the multimedia and the display of TrueType scalable fonts. After that they have released the Version 3.11 with some improvements in 3.1.

Windows 95

After Windows 3.11, Microsoft began to develop a new consumer oriented version of the operating system code-named Chicago. Windows 95 was released in Aug 24 1995. Microsoft had a double gain from its release: first it made it impossible for consumers to run Windows 95 on a cheaper, non-Microsoft DOS, secondly, although traces of DOS were never completely removed from the system, and a version of DOS would be loaded briefly as a part of the booting process, Windows 95 applications ran solely in 386 Enhanced Mode, with a flat 32-bit address space and virtual memory. These features make it possible for Win32 applications to address up to 2 gigabytes of virtual RAM. Microsoft released five different versions of Windows 95: Windows 95, Windows 95 A, Windows 95 B, Windows 95 B USB, Windows 95 C.

Windows 95

Microsoft released Windows 98 On June 25, 1998, which was widely regarded as a minor revision of Windows 95, but generally found to be more stable and reliable than its 1995 predecessor. It includes new hardware drivers and better support for the FAT32 file system which allows support for disk partitions larger than the 2 GB maximum accepted by Windows 95. The USB support in Windows 98 is far superior to the token, sketchy support provided by the OEM editions of Windows 95.

In 1999 Microsoft released Windows 98 second edition. The notable feature was the addition of Internet Connection Sharing, which was a form of network address translation, allowing several machines on a LAN (Local Area Network) to share a single Internet connection. Hardware support through device drivers was increased. Many minor problems present in the original Windows 98 were found and fixed which make it, according to many, the most stable release of Windows 9x.

Windows 2000

In FEB 2000 Microsoft released Windows 2000. It was successfully deployed both on the server and the workstation markets. The features of windows 2000 is improved Device Manager, Windows Media Player, and a revised DirectX that made it possible for the first time for many modern games to work on the NT kernel. Windows 2000 is also the last NT-kernel Windows operating system to lack Product Activation. Windows 2000 was available in six editions. They are as follows,

  1. Windows 2000 Professional
  2. Windows 2000 Server
  3. Windows 2000 Advanced Server
  4. Windows 2000 Datacenter Server
  5. Windows 2000 Advanced Server Limited Edition
  6. Windows 2000 Datacenter Server Limited Edition

Windows Millennium Edition (Me) and Windows XP

Microsoft introduced Windows Me (Millennium Edition) in Sep 2000, which upgraded Windows 98 with enhanced multimedia and Internet features. It also introduced the first version of System Restore. Windows Me was conceived as a quick one-year project that served as a stopgap release between Windows 98 and Windows XP.

In 2001 Microsoft introduced Windows XP.  The merging of the Windows NT/2000 and Windows 95/98/Me lines was achieved with Windows XP. Windows XP SP1 was released in September of 2002 and SP2 came out in August, 2004. The latter provided significant improvements and encouraged widespread adoption of XP among both home and business users.

Windows XP is available in number of versions among that the two major releases were Windows XP Home Edition and Windows XP Professional Edition.

Windows Server 2003

In April 24, 2003 Microsoft introduced Windows Server 2003. It is having many security features than Windows 2000 Server. It has the version number NT 5.2. In December 2005, Microsoft released Windows Server 2003 R2, which is actually Windows Server 2003 with SP1 (Service Pack 1) plus an add-on package. Among the new features are a number of management features for branch offices, file serving, printing and company-wide identity integration.

Windows Server 2003 is available in six editions:

  1. Web Edition (32-bit)
  2. Standard Edition (32 and 64-bit)
  3. Enterprise Edition (32 and 64-bit)
  4. Datacenter Edition (64-bit)
  5. Small Business Server (32-bit)
  6. Storage Server (OEM channel only)

Windows Vista

The current client version of Windows, Windows Vista was released on November 30, 2006 to business customers, with consumer versions following on January 30, 2007. Windows Vista aim to have enhanced security by introducing a new restricted user mode called User Account Control, replacing the administrator-by-default philosophy of Windows XP. Vista also features new graphics features, the Windows Aero GUI, new applications (such as Windows Calendar, Windows DVD Maker and some new games including Chess, Mahjong, and Purble Place), a revised and more secure version of Internet Explorer, a new version of Windows Media Player, and a large number of underlying architectural changes.

Windows server 2008

They planned to release on February 27, 2008

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