Here we provide some pretty script that can help improve your experience of using centos/ubuntu for green hand.
This script will add history view features for your terminal of centos.
wget -O h https://raw.githubusercontent.com/xingtingyang/shell/master/history.sh && bash h
This script will set the character set of your centos to zh_CN.UTF-8
wget -O s https://raw.githubusercontent.com/xingtingyang/shell/master/set_locale.sh && bash s