Check out Trivia Tuesday's awesome infographic pedigree of Microsoft operating systems, from MS-DOS and OS/2 all the way up to Windows 8, and everything in between. Yes, even Zune. More...

A new report from a forensic computing researcher claims that he has found no evidence that Microsoft's MS-DOS OS contains code copied from another OS, CP/M. More...

25 years ago today, IBM and Microsoft announced OS/2, the PC operating system that was designed to replace DOS but failed to do so, thanks mostly to Microsoft's efforts to improve Windows. More...

IBM reproduces the original press release from August 12, 1981 that officially announced the launch of the IBM personal computer. More...

Microsoft celebrates the 30th anniversary of the IBM PC a couple of days early with an article that looks ahead to the future of the PC and Microsoft's Windows operating system. More...

Microsoft's operating system business launched 30 years ago today with MS-DOS ... kind of. As The Register reports, on July 27, 1981 Microsoft bought the full rights to QDOS (Quick and Dirty Operating System), the... More...