diff --git a/Global/Cloud9.gitignore b/Global/Cloud9.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..b9f8a369f6d3a0399fa47ce760e4ab744dbc5ff0
--- /dev/null
+++ b/Global/Cloud9.gitignore
@@ -0,0 +1,2 @@
+# Cloud9 IDE - http://c9.io
+.c9revisions