It wasn’t big news at the time, but it would change the course of tech history. MS-DOS, short for Microsoft Disk Operating System, was a text based OS. No graphics like the Windows or MacOS we know ...

As technology marches on, some people get trapped using decades-old software and devices. Here's a look inside the strange, stubborn world of obsolete Windows machines.

It was called the Microsoft Disk Operating System — MS-DOS, for short. A manual required to operate MS DOS, on display at a vintage computer festival in Seattle.

Before Windows, we used and wrote about its predecessor, MS-DOS (Disk Operating System), without which the PC revolution would never have taken place.

The operating system diskette for this PC just happened to be running MS-DOS 5.0, so that was where I started. MS-DOS 5.0 is actually a fairly significant release of the operating system.

In honor of Microsoft's 50th anniversary, we've ranked the best Windows consumer operating systems Microsoft has ever shipped, in order from worst to best.

Microsoft didn't invent the graphic operating system, but it did make it cheaper and more widely available — and that really helped personal computers take off.

It was called the Microsoft Disk Operating System — MS-DOS, for short. In a shrewd business move, Gates and Allen made sure they could license MS-DOS to any computer manufacturer, not just IBM.

Microsoft was tasked with creating an operating system for IBM's line of personal computers, for which they developed the Microsoft Disk Operating System (MS-DOS).

There have been many remarkable products in Microsoft's 50 years of history, but these 5 were really impactful in our lives.