There are no .vimrc, .gvimrc files and .vim/ directory on my mac, and so I can\'t install any script. And when I create a folder
.vimrc
.gvimrc
.vim/
I found it on OSX Yosemite in /usr/share/vim/vimrc
Update: Unfortunately on OSX El Capitan, this file is no longer editable even via sudo. So back to user-based versions in ~/.vimrc