diff --git a/Hello world/main.rs b/Hello world/main.rs
new file mode 100644
index 0000000..2d41961
--- /dev/null
+++ b/Hello world/main.rs	
@@ -0,0 +1,5 @@
+// $ rustc main.rs
+// $ ./main
+fn main() {
+    println!("Hello, world!");
+}
\ No newline at end of file