diff --git a/00_Setup/code.c b/00_Setup/code.c
new file mode 100644
index 0000000..0d35470
--- /dev/null
+++ b/00_Setup/code.c
@@ -0,0 +1,7 @@
+#include <unistd.h>
+
+int  main(void)
+{
+  write(1, "Hello world!\n", 13);
+  return(0);
+}