diff --git a/bin/twn.cmd b/bin/twn.cmd
new file mode 100644
index 0000000..eb719db
--- /dev/null
+++ b/bin/twn.cmd
@@ -0,0 +1,7 @@
+:;# amalgam of batch and shell scripts as a entry single point
+
+:; twn.sh $@
+:; exit
+
+@echo off
+bash twn.sh %*
diff --git a/bin/twn b/bin/twn.sh
old mode 100755
new mode 100644
similarity index 100%
rename from bin/twn
rename to bin/twn.sh