--- a/src/jdk.jcmd/share/classes/sun/tools/jcmd/JCmd.java	Thu Jan 11 20:19:50 2018 -0800
+++ b/src/jdk.jcmd/share/classes/sun/tools/jcmd/JCmd.java	Tue Jan 16 08:48:34 2018 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,7 +62,7 @@
 
         if (arg.isShowUsage()) {
             Arguments.usage();
-            System.exit(1);
+            System.exit(0);
         }
 
         ProcessArgumentMatcher ap = null;