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

(1) Commands and functions that work equally in DOS and Windows. DOS was the underlying control program for the early versions of Windows, and most all the DOS functionality was built into later ...

Apple products were mentioned, but far from the focus. Even though we were up to Windows 3.0 by now, most of our coverage was devoted to DOS and the applications you ran on it. MS-DOS 5.0 arrived ...

The project was officially renamed, and the software was introduced to the public in 1983 under its new name, "Windows." It was envisioned as a graphical user interface (GUI) overlay for MS-DOS ...