What type of operating system MS-DOS is?

A. Multitasking
B. Graphical User Interface
C. Menu Driven Interface
D. Command Line Interface 

🧠 Explanation:

MS-DOS is a command-line interface operating system, central to early personal computing in the 1980s. Users interact by typing text commands, like “dir” for directory listings, unlike modern graphical interfaces. Developed by Microsoft, it powered early PCs before Windows. Its text-based nature required technical knowledge but was efficient for tasks like file management. MS-DOS’s legacy lies in its role as a foundation for modern operating systems. Studying it highlights the evolution of user interfaces, from text to graphical, offering insight into computing history and the development of user-friendly technology.