diff -r a3e48273dce3 Lib/cmd.py
--- a/Lib/cmd.py	Tue Oct 18 17:16:00 2011 +0200
+++ b/Lib/cmd.py	Tue Oct 18 11:50:40 2011 -0700
@@ -280,10 +280,14 @@
         except IndexError:
             return None
 
+    def get_names_filter(self, name):
+        return ((name.startswith('do_') or name.startswith('help_')) and
+                 not name.endswith('EOF'))
+
     def get_names(self):
         # This method used to pull in base class attributes
         # at a time dir() didn't do it yet.
-        return dir(self.__class__)
+        return filter(self.get_names_filter, dir(self))
 
     def complete_help(self, *args):
         commands = set(self.completenames(*args))