diff --git a/doc_show_all_exported_variables b/doc_show_all_exported_variables
new file mode 100644
index 00000000..921a6f94
--- /dev/null
+++ b/doc_show_all_exported_variables
@@ -0,0 +1,4 @@
+cat bin/* | awk '/^export/ { print $2 }'
+
+# __cdist_intern_*   : set by internal processes
+# __cdist_explore_*  : filled with information of the target host