Imagine Microsoft helping build Windows’ replacement before Windows had even finished becoming important.

IBM OS/2 was an alternative to Microsoft Windows throughout the 1990s, but Microsoft won out in the end, and the operating system was relegated to niche use cases. Over 24 years since the final OS/2 ...

In the annals of PC history, IBM’s OS/2 represents a road not taken. Developed in the waning days of IBM’s partnership with Microsoft—the same partnership that had given us a decade or so of MS-DOS ...

TL;DR: IBM's involvement in OS/2 development ended long ago, but the ancient platform is still being sold by third-party venture Arca Noae LLC. The company regularly updates its ArcaOS offering to fix ...

In the shadow of the extremely successful Windows 95, Windows NT 4 was to lay the foundation for Microsoft's decades-long ...

In context: The early 1990s were tumultuous years for the home computer operating system market. Major corporations were vying for dominance in the emerging GUI-based paradigm, with Microsoft poised ...