Which operating systems come with .net ?

.NET Framework 1.1: Windows Server 2003 .NET Framework 2.0: Windows Server 2003 R2 .NET Framework 3.0: Windows Vista, Windows Server 2008 .NET Framework 3.5 SP1: Windows 7, Windows Server 2008 R2 .NET Framework 4.0: Windows 8 .NET Framework 4.5: Windows 8 .NET Compact Framework 1.0 (SP2): Windows Mobile 5.0 .NET Compact Framework 2.0: Windows Mobile 6.0 Mono 1.1.13.6: Ubuntu Dapper (6.06 LTS) Mono 1.2.6: Ubuntu Hardy (8.04 LTS) Mono 2.4.2.3: Ubuntu Karmic (9.10) Mono 2.4 branch snapshot: Ubuntu Lucid (10.04 LTS) Mono 2.6.7: Ubuntu Maverick (10.10), Ubuntu Natty (11.04)