diff --git a/helloworld.cs b/helloworld.cs
new file mode 100644
index 0000000..8f1b297
--- /dev/null
+++ b/helloworld.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace AniNIX {
+    class HelloWorld {
+	public static void Main(string[] args) {
+	    Console.WriteLine("Hello world!");
+	}
+    }
+}