Description: mostly use this method to install the software dependency problems often need to rely on a few software packages
Format: rpm [options] package name
下载vim：yum install vim -y --downloadonly --downloaddir=.
Installation vim:
rpm -ivh vim-common-7.4.629-6.el7.x86_64.rpm
rpm -ivh vim-enhanced-7.4.629-6.el7.x86_64.rpm