OS/2 Never Went Away. Its Successor Has Received An Update <img width="800" height="450" src="" alt=""/>ArcaOS is an operating system you might not have heard of, but you will recognize it when we tell you that it’s the direct descendant of IBM’s OS/2. It’s just https://hackaday.com/2026/03/13/os-2-never-went-away-its-… https://hackaday.com/2026/03/13/os-2-never-went-away-its-…