diff --git a/multiple-cursors-core.el b/multiple-cursors-core.el
index 8598f5e..f91107f 100644
--- a/multiple-cursors-core.el
+++ b/multiple-cursors-core.el
@@ -177,10 +177,12 @@ cursor with updated info."
 
 (defun mc/prompt-for-inclusion-in-whitelist (original-command)
   "Asks the user, then adds the command either to the once-list or the all-list."
-  (if (y-or-n-p (format "Do %S for all cursors?" original-command))
-      (add-to-list 'mc/cmds-to-run-for-all original-command)
-    (add-to-list 'mc/cmds-to-run-once original-command)
-    nil))
+  (let ((all-p (y-or-n-p (format "Do %S for all cursors?" original-command))))
+    (if all-p
+        (add-to-list 'mc/cmds-to-run-for-all original-command)
+      (add-to-list 'mc/cmds-to-run-once original-command))
+    (mc/save-lists)
+    all-p))
 
 (defun mc/num-cursors ()
   "The number of cursors (real and fake) in the buffer."
@@ -364,27 +366,37 @@ from being executed if in multiple-cursors-mode."
                                           smart-down)
   "Default set of commands that should be mirrored by all cursors")
 
+(defvar mc/list-file "~/.emacs.d/.mc-lists.el"
+  "The position of the file that keeps track of your preferences
+for running commands with multiple cursors.")
+
+(defun mc/save-lists ()
+  (with-temp-file mc/list-file
+    (emacs-lisp-mode)
+    (insert ";; This file is automatically generated by the multiple-cursors extension.")
+    (newline)
+    (insert ";; It keeps track of your preferences for running commands with multiple cursors.")
+    (newline)
+    (newline)
+    (insert "(setq mc/cmds-to-run-for-all '(")
+    (mapc #'(lambda (cmd) (insert (format "%S" cmd)) (newline-and-indent)) mc/cmds-to-run-for-all)
+    (when mc/cmds-to-run-for-all
+      (next-line -1)
+      (end-of-line))
+    (insert "))")
+    (newline)
+    (newline)
+    (insert "(setq mc/cmds-to-run-once '(")
+    (mapc #'(lambda (cmd) (insert (format "%S" cmd)) (newline-and-indent)) mc/cmds-to-run-once)
+    (when mc/cmds-to-run-once
+      (next-line -1)
+      (end-of-line))
+    (insert "))")
+    (newline)))
+
 (defvar mc/cmds-to-run-for-all nil
   "Commands to run for all cursors in multiple-cursors-mode")
 
-(setq mc/cmds-to-run-for-all '(save-region-or-current-line
-                               kill-region-or-backward-word
-                               change-number-at-point
-                               dired-back-to-start-of-files
-                               yank-indented
-                               wrap-region-trigger
-                               yas/expand
-                               org-shiftright
-                               sgml-slash
-                               slime-space
-                               js2-beginning-of-line
-                               js2-end-of-line
-                               js2-insert-and-indent
-                               js2r-inline-var
-                               c-electric-delete-forward
-                               c-electric-backspace
-                               c-electric-paren
-                               c-electric-semi&comma))
-
+(load mc/list-file t) ;; load, but no errors if it does not exist yet please
 
 (provide 'multiple-cursors-core)