What is Dos Operating System

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welcome to

• What is Dos Operating System?

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MS-DOS

• MS-DOS is known as Microsoft Disk Operating
  system and it is developed, created and designed
  by Microsoft Corporation USA who owned by Bill
  Gates the richest man on the planet.
• This Operating System or commonly called as OS
  was developed in 1981 and the first version was
  named as Dos 1.0.

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• MS-DOS is a NON GUI Graphical User Interface
  where all the activities such as selecting
  navigation, dropping and all the other computer
  activities are done by basic dos commands like
  copy, xcopy , del , deltree and so on.
• MS-DOS is a command line operating system where
  all desired result are obtained by using simple
  dos commands

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There are basically two versions of MS-DOS (Dos
Operating System)

• PC-Dos

• MS-Dos

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PC-Dos

• Above Both versions of Dos Operating System have
  been developed by Microsoft Corporation, here
  PCDos was specially developed for IBM Personal
  computer and MSDos was developed and written for
  Personal Computer PC or NON-IBM Personal
  Computers.
• As there are no such differences found in both
  versions of Dos Operating Systems.

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MS-Dos

• Disk operating system (Dos) is a menu driven
  operating system which is simpler to use but is
  not as user friendly as windows. In Todays world
  MS-DOS is not used, windows operating system has
  replaced msdos. Still some people use dos
  operating system as a command line for certain
  purpose.

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Basically there are two types of Basic Dos
Commands

• Internal Dos Commands.
• External Dos Commands.

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Internal Dos Commands

• Internal Dos These commands are commonly
  executed from a file called as command.com which
  is generally stored in root directory or c or c
  drive.

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External Dos Commands

• External Dos Commands External Dos Commands
  are those basic dos commands which require
  external supporting files which may be present on
  the bootable disk or hard disk, without
  supporting files you cannot run or execute this
  commands

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Thank you

• References
• http//www.chtips.com/msdos/what-is-dos-operating-
  system
• http//www.chtips.com/msdos/basic-dos-commands