- Before Mac OS X reigned supreme, there was System 1 through System 9, which spanned 17 years from 1984 to 2001.
- The iPhone's operating system changed everything in mobile computing.
[This article is a work in progress.]
- The OS for Macs since 2001 has come a long way, ditching skeuomorphism in 2014 with the Yosemite release.
- The world's most popular desktop operating system has a long history. Do you know how colorful Windows 1.0 was?