I've been scouring the net, upturning each pebble and stone, looking for a solution to the DONK sound I get everytime I hit CTRL + / on the emacs terminal, so that I could perform one of the most basic tasks prone to men, the UNDO. The alternative is to use CTRL+SHIFT+PLUS, but it irks me that once in the office, I'll have to go back to CTRL+/. For a while I tried avoiding mistakes as much as possible, but DANG, to err is really human. What a futile attempt that was. Google wasn't so omnicient this time. I was so happy to find a question Google couldn't help me with. All the forums I've found had zit for an answer.

But here I'll share the small golden nugget of an app that's used for a bunch of other things. Fixing the "osx emacs ctrl slash" bug problem maybe form ust 1 percent of its full capabilities.

The answer lies in key remaps using a system preference addition called keyRemap4MacBook. Don't let the name fool you. It works on all OSX installations, including Lion.

I'm currently typing this post on my osx emacs and happily making mistakes knowing I could always hit my undo button and not need to have acrobatic fingers to do so. All I had to do was go to Emacs Mode->Behavior in Emacs..->[Terminal] Control+/ to C-_...