edit .profile file in your home directory, it’s a hidden file.
using the Terminal,
nano .profile
///now add the following text to the .profile file and save
//now run this command $ source .profile
//after this you can try ‘ls’ command and view coloured terminal
export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad
alias ls=’ls -GFh’
creds:
http://osxdaily.com/2012/02/21/add-color-to-the-terminal-in-mac-os-x/