1.在mac命令行终端输入：
ls -al 查看所有隐藏文件，找到.bash_profile
vi .bash_profile 编辑文件，贴入以下内容并保存
source .bash_profile 刷新文件即时生效
Iterm字体设置
#enables colorin the terminal bash shell export
export CLICOLOR=1
#sets up thecolor scheme for list export
export LSCOLORS=gxfxcxdxbxegedabagacad
#sets up theprompt color (currently a green similar to linux terminal)
export PS1='[ 33[01;32m]u@h[ 33[00m]:[ 33[01;36m]w[ 33[00m]$ '
#enables colorfor iTerm
export TERM=xterm-256color
#grep 高亮
export GREP_OPTIONS='--color=always' GREP_COLOR='1;35'
#配色结束