Windows

Microsoft Windows is a family of operating systems developed by Microsoft.

Versions

16-bit DOS Shells

• Windows 1.x
• Windows 2.x /286
• Windows 2.x /386
• Windows 3.x - codename Janus (3.1) - Kato, Sparta (3.1 for Workgroups) - Snowball (3.11 for Workgroups)

16/32 bit Hybrid OS

• Windows 95 - codenamed Chicago
• Windows codename Nashville - not released
• Windows 98 - codename Memphis
• Windows Me - codename Millennium

NT line OS

• Windows NT 3.1 - Codename NT OS/2
• Windows NT 3.5 - Codename Daytona
• Windows NT 3.51
• Windows NT 4.0 - Codename Cairo
• Windows 2000 (NT 5.0) - Codename MemphisNT
• Windows codename Neptune - not released
• Windows codename Odyssey - not released
• Windows XP (NT 5.1) - codename Whistler
• Windows Server 2003 - Codename Whistler Server / .NET Server
• Windows Home Server - Codename Quattro
• Windows codename Longhorn - not released
• Windows Vista - Codename Longhorn (Omega-13 reset - Codebase was reset from .NET Server RC code to Server 2003 SP1 RC code)
• Windows Server 2008 - Codename Longhorn Server
• Windows Small Business Server 2008 - Codename Cougar
• Windows Essential Business Server 2008 - Codename Centro
• Windows 7 - Codename Blackcomb / Vienna / Seven
• Windows Server 2008 R2 - Codename Server 7
• Windows Multipoint Server
• Windows Codename Vail
• Windows Codename Aurora
• Windows 8

See also

• Windows Source Code
• MS-DOS
• Interface Manager