Update GettingStarted.md

Author: Глеб Брыкин

Docs/GettingStarted.md

@@ -14,7 +14,7 @@
 
 ## On Android
 
-### Using C# Shell
+### Using C# Shell (Mono runtime)
 
 1) Install C# Shell from Play Market (C# Shell is an offline C# compiler and the Mono runtime for Android), Liminted free version is available.
 1.1)  Official C# Shell release on PlayMarket: https://play.google.com/store/apps/details?id=com.radinc.csharpshell
@@ -35,3 +35,15 @@
 [![Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/ColorfulSoft/System.AI/blob/master/Docs/System.AI.ipynb)
 
 Follow the instructions from ipynb to install mono on Google Colab, compile System.AI from source code and run AI projects directly on the server.
+
+## On Linux
+
+### Using Mono
+
+1) Follow instructions from the official Mono installation guide to install Mono runtime and C# compiler: https://www.mono-project.com/download/stable/#download-lin
+2) Clone this repository via git (You also may download zip archive manually and unzip, but then You should rename 'System.AI-master' folder to 'System.AI').
+3) Open terminal and go to %SYSTEM_AI_FOLDER_PATH% using cd command.
+4) Run Compile.Mono.sh using bash `bash Compile.Mono.sh`.
+5) Use System.AI.dll and System.AI.xml in Your projects!
+
+*You may use some ideas from Google Colab guide to getting started with System.AI on desktop Linux.*