Someone else mentioned that Apple changed sudo with El Capitan. I was unaware of that. chmod is definitely a core part of the underlying bsd structure. If you're having a tot of trouble with binaries, you might be better off with a package manager. I didn't suggest one, because my results haven't been perfect with any of the ones designed for OSX. Brew is pretty simple, but I still get annoying quirks where it tells me that a library I want to update is installed but not...
12/1/15 at 7:56am