And http://farmanager.com, the same for Windows. Much faster than having to use a mouse to navigate the file system. And a decent editor with syntax highlighting and plugin support included as well.
Far Manager is the only thing I miss after switching to OSX 6 years ago. Tried Midnight Commander and other alternatives, but not nearly as good imo. File search is the killer feature, so much better than any other alternative.
https://www.midnight-commander.org/ Midnight Commander: A NC clone for Linux/Unix/etc.
http://www.emacswiki.org/emacs-en/Sunrise_Commander Sunrise commander: NC clone for GNU Emacs.