Mono for .NET on CentOS 7 Installation Guide
How to Install Mono .NET for CentOS 7 GNU/Linux desktop – Step by step Tutorial.
And Microsoft’s .NET Framework Open Source is Sponsored by Xamarin, Mono and is based on the ECMA standards for C# and the Common Language Runtime.

-
Open Terminal Window
Cmd+”terminal”
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
Contents