The divide between "computer OS" and "smartphone OS" seems to be getting smaller and smaller every day. Eventually, we won't even make a distinction. Is that happening sooner than we thought? I ...

More than a few operating systems have failed to catch on over the years. Here are a few that just missed out on being major successes.

Is that an old Windows system or a current Chrome OS computer? Google's getting ready to blur the lines of desktop computing in some seriously shape-shifting ways. Google’s Chrome OS platform has come ...

OS X changed the game for Apple. Image: Killian Bell/Cult of Mac OS X, the most important piece of software in Apple history, turns 20 today. Going on sale in its full, public version on March 24, ...