export PS1='[\u@\h \W]$ '
彩色提示符（绿色用户名，蓝色主机名，黄色目录）
export PS1='[\033[01;32m][\u[\033[00m]@[\033[01;34m]\h [\033[01;33m]\w[\033[00m]]$ '
.bashrc
Source global definitions
if [ -f /etc/bashrc ]; then . /etc/bashrc fi
User specific environment
PATH="HOME/bin:$PATH" export PATH
