The computer's master control program ... most all computing devices no matter how small or large use an operating system in some form. THIS DEFINITION IS FOR PERSONAL USE ONLY.

but a 32-bit operating system will run in a 64-bit computer. See 64-bit computing. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

It is the basic for the current Windows operating system. When people use the term DOS, they are commonly referring to Microsoft DOS or MS-DOS. This term was viewed 8,059 times.

So what exactly is an operating system (OS)? An operating system is a software program that allows users to interact with the computer or mobile device and run applications (like Microsoft Office ...