--- ray/src/rt/rtrace.c	1992/11/19 20:26:10	2.10
+++ ray/src/rt/rtrace.c	1993/01/20 15:19:51	2.11
@@ -86,6 +86,10 @@ static int  (*putreal)();
 quit(code)			/* quit program */
 int  code;
 {
+#ifndef  NIX
+	headclean();		/* delete header file */
+	pfclean();		/* clean up persist files */
+#endif
 	exit(code);
 }