The immortal OS/2
Operating systems never die.
When IBM announced OS/2 in 1987, nobody would have guessed that its glory days, such as they were, would be over by the mid-1990s. But when the company concluded that OS/2 had failed, it would have seemed equally unlikely that it would make it this far into the 21st century, still viable in its own odd way. Consider it a surprise happy ending: this famously unsuccessful piece of software isn’t finished doing useful work, and may not be for quite some time.
25 Years of IBM’s OS/2: The Strange Days and Surprising Afterlife of a Legendary Operating System | TIME.com
Big Blue’s next-generation operating system was supposed to change everything. It didn’t. But it’s also never quite gone away
Harry McCracken