diff --git a/bin/pvm.js b/bin/pvm.js
new file mode 100755
index 0000000..090ff6e
--- /dev/null
+++ b/bin/pvm.js
@@ -0,0 +1 @@
+#!/usr/bin/env node
\ No newline at end of file
diff --git a/bin/python.js b/bin/python.js
old mode 100644
new mode 100755
diff --git a/index.js b/index.js
old mode 100644
new mode 100755