The original operating system for IBM PC compatible computers. It is the basic for the current Windows operating system. When people use the term DOS, they are commonly referring to Microsoft DOS ...

BASIC for CP/M-86 was also stripped of graphics, making it difficult for developers to create software for operating systems other than MS-DOS. By December 1984, MS-DOS was the operating system leader ...

In April of 78, Steve Jobs and Shepardson signed a contract (pictured below) that would see Apple pay $13,000 for a file manager, a BASIC interface, and utilities.

The term DOS stands for Disk Operating System developed by Microsoft for micro computers. DOS is a single user operating system. It has a Character User Interface (CUI) i.e., communication between ...

The April 10, 1978, contract that laid out the terms of the creation of Apple's first disk operating system. James Martin/CNET SANTA CRUZ MOUNTAINS, Calif.

Operating systems don’t seem to live as long as they used to. In April Microsoft ended support for Windows XP. A year from now it will do the same for Windows Server 2003. This ...