Open
~/.profile
Add following lines:
export CLICOLOR=1 export LSCOLORS=CxFxCxDxbxegedabagacad
Colors:
a black b red c green d brown e blue f magenta c cyan h light grey A block black, usually shows up as dark grey B bold red C bold green D bold brown, usually shows up as yellow E bold blue F bold magenta G bold cyan H bold light grey; looks like bright white x default foreground or background