Other Ways to Install Drupal
Another common way of installing Drupal on a Mac, probably more common, is using MAMP. MAMP is a way to set up Apache, MySQL, and PHP on a Mac with one installer. The Mac comes with these items pre-installed, but they’re not always up to date. I find that most developers will use MAMP or something just like it (another top developer I know uses something called Homebrew, which is also very good).
I’ve used the free version of MAMP for years, and it works perfectly even for professional development needs. Installation with MAMP is a bit more complicated than using DAMP, but it is useful to learn to install ...