vi /etc/bashrc
# Turn on checkwinsize shopt -s checkwinsize [ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@\h \[\e[31;40m\]yidao_test\[\e[0m\] \W]\\$ "
linux 标注主机别名
原文：http://www.cnblogs.com/winterq/p/7831794.html
