diff --git a/ossim/ossim.sh b/ossim/ossim.sh
new file mode 100644
index 0000000..4e6e886
--- /dev/null
+++ b/ossim/ossim.sh
@@ -0,0 +1,4 @@
+#!/bin/sh 
+# 
+# Shell script to launch OS sim on Unix systems.  
+java -jar  ossim.jar