更改用户目录下的.bashrc
加入：
export PS1=‘\[\e[33m\][\u@\h:\W]\$ \[\e[m\]‘
例如：
1 # .bashrc 2 3 # User specific aliases and functions 4 5 alias rm=‘rm -i‘ 6 alias cp=‘cp -i‘ 7 alias mv=‘mv -i‘ 8 export PS1=‘\[\e[33m\][\u@\h:\W]\$ \[\e[m\]‘ 9 10 # Source global definitions 11 if [ -f /etc/bashrc ]; then 12 . /etc/bashrc 13 fi 14 15 # less man page colors 16 export GROFF_NO_SGR=1 17 export LESS="FRSXQ" 18 export LESS_TERMCAP_mb=$‘\E[01;31m‘ 19 export LESS_TERMCAP_md=$‘\E[01;31m‘ 20 export LESS_TERMCAP_me=$‘\E[0m‘ 21 export LESS_TERMCAP_so=$‘\E[01;44;33m‘ 22 export LESS_TERMCAP_se=$‘\E[0m‘ 23 export LESS_TERMCAP_us=$‘\E[01;32m‘ 24 export LESS_TERMCAP_ue=$‘\E[0m‘ 25 26 # grep colors 27 export GREP_OPTIONS=‘--color=auto‘ 28 export GREP_COLOR=‘1;32‘ 29 30 export TERMINFO=/usr/share/terminfo 31 #export TERM=xterm-256color 33 34 export HISTIGNORE="&:[bf]g:exit" 35 export HISTCONTROL=ignoredups 36 export HISTFILESIZE=10000 37 export HISTSIZE=10000 38 export HISTTIMEFORMAT="%F %T "
原文：http://www.cnblogs.com/wenqiushi/p/4361542.html