Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are my top picks.

Do you remember Digital Research's Concurrent CP/M and Concurrent DOS? In this little walk down memory lane, how about MP/M? Ncomputing is walking down the same historical path. The goal of all of ...

What operating system do you use? For some, that question may as well be posed in Latin or Sanskrit. For others, it’s an invitation to have a heated debate about the benefits of GUI vs. command line, ...