Making your command line more helpful and fun!

The default terminal settings on most linux systems is to use colors to serve as hints about file types and permissions. For example, you'll see directory names in blue, executables in green, and file archives in red. And, if you don't want to see the colors -- like when they're just too distracting, you can turn them off easily. The command line colors are set when the ls command is aliased to an ls command that uses the --color option like this:
alias ls='ls --color=auto'
To turn off font col