Opinion Today, thanks to Android and ChromeOS, Linux is an important end-user operating system. But, before Linux, there were important Unix desktops, although most of them never made it. Way back in 1993, I oversaw a PC Magazine feature review on Unix desktops. Yes, that's right, before I was a Linux desktop user, I was a Unix user. Indeed, I've been a Unix fan since 1979, when 2BSD Unix arrived on the scene. But by 1993, numerous Unix desktops had appeared, and I talked the magazine into letti...