diff --git a/src/exec.c b/src/exec.c
new file mode 100644
index 0000000..4f15b9d
--- /dev/null
+++ b/src/exec.c
@@ -0,0 +1,15 @@
+#include <unistd.h>
+#include <stdio.h>
+
+int
+main(int argc, char *argv[])
+{
+  if(argc == 1)
+    {
+      fprintf(stderr,"what do you want to do?\n");
+      return 1;
+    }
+  char *const argv2[1] = {argv[2]};
+  execv(argv[1],argv2);
+  return 0;
+}