With roots as far back as the 1970′s, the humble icon has come a long way. Following is a collection of icons though history. Although there have been many other operating systems in the time between 1981 – 2010, only some have been selected. These designs show just a small fraction of the icons in the many and varied User Interfaces throughout the years.
Interesting read at Know Your Icons Part 1 – A Brief History of Computer Icons | Psdtuts+