manually edit shortcuts on os x 10.9 (Mavericks)
Run plutil -convert xml1 ~/Library/Preferences/com.apple.Terminal.plist.
Quit Terminal.
Edit the plist in a text editor:

&lt;key&gt;ToggleVisor&lt;/key&gt;
&lt;dict&gt;
  &lt;key&gt;KeyCode&lt;/key&gt;
  &lt;integer&gt;53&lt;/integer&gt; &lt;!-- escape (see Events.h) --&gt;
  &lt;key&gt;Modifiers&lt;/key&gt;
  &lt;integer&gt;9437184&lt;/integer&gt; &lt;!-- command --&gt;
&lt;/dict&gt;

Terminate the cfprefsd process from Activity Monitor.
Open Terminal.


Preference files are cached in 10.9, so if you edit a preference file directly, just quitting and reopening the application does not apply the changes. You can also run defaults read com.apple.Terminal instead of terminating cfprefsd.