GNU/Linux Ubuntu 22.04 Installing Mono – QuickStart Guide
Hi! The Tutorial shows you Step-by-Step How to Install the Latest Mono .NET Framework in Ubuntu 22.04 Jammy LTS GNU/Linux Desktop.
Especially relevant: here is described the Latest Mono release Installation for Ubuntu.
And Mono is a Microsoft sponsored and Open Source implementation of Microsoft’s .NET Framework based on the ECMA standards for C# and the Common Language Runtime.
A growing family of Solutions and an active and enthusiastic contributing Community is trying position Mono to become the leading choice for development of cross-platform applications.
Finally, this guide includes detailed instructions about to Getting-Started with Mono on Ubuntu.

1. Terminal Getting-Started Guide
How to QuickStart with Command Line on Ubuntu GNU/Linux: