[Yeo Kheng Meng] didn’t cheat by simply running MS-DOS on a modern PC, either: he tested the client on a real 1984 vintage IBM 5155 Portable PC. This semi-portable PC/XT model sports a 4.77 MHz ...

But I wasn't using it. Instead, I, like virtually every office worker in the world, was using an IBM PC (or a clone) and running MS-DOS, Microsoft's character-based operating system on which we ran ...

He still oversees the project to this day. MS-DOS, IBM-DOS, and other DOS derivatives were the most popular operating systems for PCs from the first IBM PC in 1981 to around the mid-1990s.

To get the answer, just put a decimal point in the number "50"—my first Microsoft product was MS-DOS 5.0.

but of more surprise is that IBM had a multitasking DOS called TopView, or even that Microsoft themselves released the fully multitasking MS-DOS 4.0. We remember DOS 4 as being less than sparkling ...

Microsoft is celebrating its 50-year anniversary today during a special event at the company’s headquarters in Redmond, ...

It was envisioned as a graphical user interface (GUI) overlay for MS-DOS, which ran on IBM PCs and compatible systems. At the time, GUIs were a groundbreaking innovation. Unlike the command-line ...

Microsoft celebrates its 50th anniversary since its founding by Bill Gates and Paul Allen. The company initially focused on software for personal comp ...