linux 修改配色

PS1="[e[37;40m][[e[32;40m]u[e[37;40m]@h [e[36;40m]w[e[0m]]\$ "

OR
vim ~/.bashrc
append 

source .bashrc


详细请见
https://www.cnblogs.com/Q--T/p/5394993.html
http://www.cnblogs.com/menlsh/archive/2012/08/27/2659101.html