Exactly, if he's using Microsoft technology (C# and .NET), that was NOT made to work on Linux or Mac OS, he shouldn't be saying Linux is not a good development

Exactly, if he's using Microsoft technology (C# and .NET), that was NOT made to work on Linux or Mac OS, he shouldn't be saying Linux is not a good development platform. It obviously won't work so well if he's using a language that was made for Windows by Windows guys. I think Linux is the best development platform of all, and I don't think he has the right to say Linux is behind Windows n development tools.