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  1. What Is
September 1, 2016updated 18 Jan 2017 5:01pm

What is DOS?

DOS is an operating system for personal computers.

By Vinod

A disk operating system (DOS) is an operating system that runs from a hard disk drive.

Disk operating systems are operated by command-line interface in which the user can issue commands to the programme through lines of text.

 Want to know who the first DOS was invented by? Click next page.

There are several types of DOS based on different companies and manufacturers including MS-DOS, DR-DOS, PC DOS, ROM DOS and PTS-DOS. All have similar command-line systems. MS-DOS, an acronym for Microsoft disk operating system, was used widely on IBM personal computers throughout the 1980s and 1990s for example.

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