![Michigan Tech IT on Twitter: "IT Happened Today: Nov. 6, 1980 - Microsoft signs a contract with IBM to create an operating system. Co-founders Bill Gates and Paul Allen developed the Microsoft Michigan Tech IT on Twitter: "IT Happened Today: Nov. 6, 1980 - Microsoft signs a contract with IBM to create an operating system. Co-founders Bill Gates and Paul Allen developed the Microsoft](https://pbs.twimg.com/media/EIsxx7mVUAEOGje.jpg:large)
Michigan Tech IT on Twitter: "IT Happened Today: Nov. 6, 1980 - Microsoft signs a contract with IBM to create an operating system. Co-founders Bill Gates and Paul Allen developed the Microsoft
![ChatGPT client for DOS'' that can talk with ChatGPT on IBM PC 40 years ago will be developed - GIGAZINE ChatGPT client for DOS'' that can talk with ChatGPT on IBM PC 40 years ago will be developed - GIGAZINE](https://i.gzn.jp/img/2023/03/27/chatgpt-on-dos-ibm-pc5155/01.jpg)
ChatGPT client for DOS'' that can talk with ChatGPT on IBM PC 40 years ago will be developed - GIGAZINE
![INTRODUCTION OS/2 was initially designed to extend the capabilities of DOS by IBM and Microsoft Corporations. To create a single industry-standard operating. - ppt video online download INTRODUCTION OS/2 was initially designed to extend the capabilities of DOS by IBM and Microsoft Corporations. To create a single industry-standard operating. - ppt video online download](https://slideplayer.com/5015829/16/images/slide_1.jpg)