修改主机名:

sudo scutil --set HostName MyHostName

安装brew来更新各种软件

http://linfan.info/blog/2012/02/27/colorful-terminal-in-mac/

https://www.topbug.net/blog/2013/04/14/install-and-use-gnu-command-line-tools-in-mac-os-x/

export LC_ALL="en_US.UTF-8"
export CLICOLOR="xterm-color256"
export LSCOLORS="gxfxcxdxbxegedabagacad"