yum -y install vim-enhanced mv /bin/vi /bin/vi.save ln -s /usr/bin/vim /bin/vi cp /etc/vimrc /etc/vimrc.save sed -i “39 s/^/ set number \n filetype on\n set history=1000\n syntax on\n set tabstop=4\n set showmatch\n set vb t_vb=\n set mouse=a\n set ignorecase\n set autowrite\n /” /etc/vimrc