do this. Also, learn how to use Mercurial and use it to version control other
configure files of yours.
+For OSX/BSD you probably want this in ~/.bash/interactive_local
+alias ls='ls -G'
+
Here are some good Mercurial tutorials:
http://hgbook.red-bean.com/
http://www.selenic.com/mercurial/wiki/index.cgi/QuickStart