some helloworld crap

csharphelloworld.cs

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+// https://www.geeksforgeeks.org/how-to-compile-decompile-and-run-c-code-in-linux/
+//
+// Use mcs compiler to create a windows executable csharphelloworld.exe from csharphelloworld.cs
+//
+// mcs -out:csharphelloworld.exe csharphelloworld.cs
+// mono csharphelloworld.exe
+
+using System;
+ 
+public class GFG {
+ 
+    static public void Main()
+    {
+        Console.WriteLine("Hello World!");
+        Console.ReadKey();
+      
+    }
+}

csharphelloworld.decomp.cs

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+.assembly extern mscorlib
+{
+  .ver 4:0:0:0
+  .publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
+}
+.assembly 'csharphelloworld'
+{
+  .custom instance void class [mscorlib]System.Runtime.CompilerServices.RuntimeCompatibilityAttribute::'.ctor'() =  (
+		01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78   // ....T..WrapNonEx
+		63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01       ) // ceptionThrows.
+
+  .hash algorithm 0x00008004
+  .ver  0:0:0:0
+}
+.module csharphelloworld.exe // GUID = {D5E6E53D-50CA-452F-AED9-6A961E988718}
+
+
+  .class public auto ansi beforefieldinit GFG
+  	extends [mscorlib]System.Object
+  {
+
+    // method line 1
+    .method public hidebysig specialname rtspecialname 
+           instance default void '.ctor' ()  cil managed 
+    {
+        // Method begins at RVA 0x2050
+	// Code size 7 (0x7)
+	.maxstack 8
+	IL_0000:  ldarg.0 
+	IL_0001:  call instance void object::'.ctor'()
+	IL_0006:  ret 
+    } // end of method GFG::.ctor
+
+    // method line 2
+    .method public static hidebysig 
+           default void Main ()  cil managed 
+    {
+        // Method begins at RVA 0x2058
+	.entrypoint
+	// Code size 17 (0x11)
+	.maxstack 8
+	IL_0000:  ldstr "Hello World!"
+	IL_0005:  call void class [mscorlib]System.Console::WriteLine(string)
+	IL_000a:  call valuetype [mscorlib]System.ConsoleKeyInfo class [mscorlib]System.Console::ReadKey()
+	IL_000f:  pop 
+	IL_0010:  ret 
+    } // end of method GFG::Main
+
+  } // end of class GFG
+

csharphelloworld.txt

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+https://www.geeksforgeeks.org/how-to-compile-decompile-and-run-c-code-in-linux/
+
+Use mcs compiler to create a windows executable csharphelloworld.exe from csharphelloworld.cs
+
+mcs -out:csharphelloworld.exe csharphelloworld.cs
+mono csharphelloworld.exe
+
+To decompile this executable file run the following command:
+
+monodis --output=csharphelloworld.decomp.cs csharphelloworld.exe