This document discusses how to port .NET applications to Linux using Mono tools for Visual Studio. It provides an overview of Mono, a .NET application framework that allows developers to run .NET applications on Linux. It also describes advantages like running ASP.NET applications and leveraging performance benefits. Additionally, it outlines Mono's support for multiple languages and platforms and binary compatibility with .NET on Windows. The document demonstrates publishing ASP.NET applications to Linux and debugging Mono applications running on Linux.