ref: adding copyright headers and licensing files
Change-Id: I135f73159c3e010f7faf14f1215bbd74eb32c2cb
diff --git a/test/modules/shell.go b/test/modules/shell.go
index 7878550..4d6f529 100644
--- a/test/modules/shell.go
+++ b/test/modules/shell.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
// Package modules provides a mechanism for running commonly used services
// as subprocesses and client functionality for accessing those services.
// Such services and functions are collectively called 'commands' and
