How to use Make backups mv ~/.vimrc ~/.vimrc.BAK mv ~/.gitconfig ~/.gitconfig.BAK mv ~/.bashrc ~/.bashrc.BAK Make synbolic link ln -s ~/dotfiles/_vimrc ~/.vimrc ln -s ~/dotfiles/_gitconfig ~/.gitconfig ln -s ~/dotfiles/_bashrc ~/.bashrc Copy to your setting PATH cp ~/dotfiles/git_diff_wrapper /usr/local/bin/