Is c# program will run in Linux not in othre additional operating system?????

Answer 1

C# is language that runs on the .NET framework, so C# is intended for Windows. However, the open source Mono project ports the .NET framework to other systems like Linux.

Answer 2

Maxwell Anderson there is also .net core which is a open source reimplementation of .net coordinated by microsoft, but it only covers .net 2.0