OS X turns 15: The evolution of Apple's Mac OS X through the years | PCWorld

For your possible interest, here is an article describing the evolution of OS X. How many of these do you remember? Jim Hamm

http://www.pcworld.com/article/3047523/os-x/os-x-turns-15-the-evolution-of-apples-mac-os-x-through-the-years.html