diff -r 0c4a4070813a Lib/idlelib/Bindings.py
--- a/Lib/idlelib/Bindings.py	Mon Jul 09 20:53:03 2012 +0200
+++ b/Lib/idlelib/Bindings.py	Mon Jul 09 21:58:17 2012 -0500
@@ -62,6 +62,8 @@
  ('shell', [
    ('_View Last Restart', '<<view-restart>>'),
    ('_Restart Shell', '<<restart-shell>>'),
+   None,
+   ('Interrupt Execution', '<<interrupt-execution>>')
    ]),
  ('debug', [
    ('_Go to File/Line', '<<goto-file-line>>'),
diff -r 0c4a4070813a Lib/idlelib/help.txt
--- a/Lib/idlelib/help.txt	Mon Jul 09 20:53:03 2012 +0200
+++ b/Lib/idlelib/help.txt	Mon Jul 09 21:58:17 2012 -0500
@@ -74,8 +74,9 @@
 
 Shell Menu (only in Shell window):
 
-	View Last Restart -- Scroll the shell window to the last restart
-	Restart Shell     -- Restart the interpreter with a fresh environment
+	View Last Restart    -- Scroll the shell window to the last restart
+	Restart Shell        -- Restart the interpreter with a fresh environment
+	Interrupt Execution  -- Stop a running program
 
 Debug Menu (only in Shell window):