diff --git a/sysapps/helloworld.c b/sysapps/helloworld.c
new file mode 100644
index 0000000..255f881
--- /dev/null
+++ b/sysapps/helloworld.c
@@ -0,0 +1,5 @@
+#include "aster_api.h"
+
+void init(void) {
+    aster_api_print("Hello, world!");
+}