I find it very useful to see different colors for different kinds of files and folders when using the ls command in terminal. By default, there are no colors in Mac terminal:
Fortunately, this can be changed easily. You need to add the following lines to your .profile file:
First line basically enables colors in the terminal, the second line determines what colors to use for what type of files/folders. There’s a nice little site that generates the LSCOLORS for you. After these changes, you have different colors for folders, executable files etc.