Glossary Entry: DOS
Definition
DOS, short for Disk Operating System, was one of the earliest operating systems available for home computers. Microsoft's version, known as MS-DOS, was the most popular variant, and was little more than a command line.
MS-DOS was later replaced by Microsoft Windows. While early versions of Windows were able to run DOS programs, this ability was later dropped. Today, you'll need to use a DOS emulator or a virtual machine running a DOS operating system in order to run those old programs.
MS-DOS was later replaced by Microsoft Windows. While early versions of Windows were able to run DOS programs, this ability was later dropped. Today, you'll need to use a DOS emulator or a virtual machine running a DOS operating system in order to run those old programs.

