#OS/2’s Last Stand: IBM OS/2 Warp 4 Turns 25

27 years ago—on September 26, 1996—IBM launched OS/2 Warp Version 4, its last major attempt to compete with Microsoft Windows in desktop operating systems. While a competent and highly regarded OS, it didn’t take the OS crown. Here’s a look at why Warp 4 was special—and how it lives on in unexpected ways. OS/2: IBM’s…