Tech-Wonders.com

Menu
  • Apps
  • How To
  • Gadgets
    • Mobile
  • Software
  • Technology
  • Sitemap
  • Contact Us

Tech-Wonders.com » Software

Overview of Disk Operating System (DOS)

Disk Operating System

DOS stands for Disk Operating System. It is a product of Microsoft Corporation released in 1980. DOS is a single user, single task character based operating system where user will perform only single task at a time. DOS is called C.U.I meaning character user interface contrary to Graphical User Interface (GUI) in Windows OS. Being solely C.U.I user can view and enter only characters in this operating system that is on disk. DOS fetches itself to system area and data area. System area consists of boot area, FAT area and root directory.C:> is called C prompt

A:> is called A prompt.

C:>_ After the prompt there is a blinking symbol called cursor. It shows that it is waiting for DOS commands.

The following are considered as the main files for DOS:

  1. IO.SYS (Input and Output)
  2. MSDOS.SYS (Microsoft DOS)
  3. COMMAND.COM

IO.SYS file

IO.SYS is an executable binary file and is essential part of MS-DOS containing the default MS-DOS device drivers (hardware interfacing routines). It is the first system file loaded into the RAM. This file stores the input and output device functions.

MSDOS.SYS file

MSDOS.SYS is an important system file on MS-DOS containing core operating system code that runs after IO.SYS file. This is the second system file that is loaded into the RAM. This file is used for store and access of data.

COMMAND.COM

COMMAND.COM is the filename of the default operating system shell for DOS operating systems and is the third system file that’s loaded into the RAM. DOS commands are executed with the help of this file.

Tweet
Share
Linkedin
Whatsapp
Reddit
Email
Prev Article
Next Article

Leave a Reply Cancel Reply

Ezoic | Increase your site revenue | AI for your ads

Recent Posts

  • How WhatsApp is Revolutionizing the Hospitality Industry
    How WhatsApp is Revolutionizing the Hospitality Industry
  • Chatting Through Dot and Dashes With the Help of Morse Code Translator
    Chatting Through Dot and Dashes With the Help of Morse Code Translator
  • How Technology is Tackling School Safety
    How Technology is Tackling School Safety
  • How to Sell Your Used Mac?
    How to Sell Your Used Mac?
  • Relax and Enjoy Online Puzzle Games on These Beautiful Sites
    Relax and Enjoy Online Puzzle Games on These Beautiful Sites

Categories

  • Apps
  • Big Data
  • Blog
  • Books and Reviews
  • C Programming Language
  • Cars
  • Certifications
  • Chemistry
  • Computers
  • Data Warehousing
  • Ecommerce
  • Electrical
  • Electronics
  • Engineering
  • Entrepreneurs
  • Facebook
  • Featured
  • FinTech
  • Fuzzy Logic
  • Gadgets
  • Games
  • Gmail
  • Google
  • Google Plus
  • Health Tech
  • How-to Topics
  • Infographics
  • Instagram
  • Internet
  • JavaScript
  • Jobs
  • LinkedIn
  • Marketing
  • Mathematics
  • Microsoft
  • Mobile
  • Numismatics
  • Online Earning
  • Pinterest
  • Plagiarism
  • Programming Languages
  • Python Programming Language
  • Real Estate
  • Road Transport
  • Salesforce
  • Science and Technology
  • Security
  • SEO
  • Social Media
  • Social Networking
  • Software
  • SQL
  • Swift Programming Language
  • TikTok
  • Travel
  • Troubleshooting Tips
  • Twitter
  • Web Designing and Development
  • Websites
  • Windows
  • WordPress
  • YouTube Tips and Tricks

Tech-Wonders.com

Technology Blog

About the Admin

RamaRao Bobby Hi there! I am RamaRao Bobby, Founder and Editor-in-Chief of
Tech-Wonders.com, Kakinada’s Top Technology Blog.

I am an avid Dog Lover and Tech Enthusiast. Read More

  • Archives
  • Disclaimer
  • Privacy Policy
  • Featured Comments

Recent Comments

  • Bharat Watane on Best Top 10 Marathi Websites and Blogs
  • Shree Dnyanopasana on Best Top 10 Marathi Websites and Blogs
  • Angela Bordio on 6 Online Resources for Improving Your Job Search
  • Deekshitha on Here’s All You Need To Know About Machine Learning And Why AI Is The Future
  • Akshay Sharma on Scaling Your Cloud Services When Employees Work From Home

Always Remain in Touch

Subscribe

Copyright © 2023 Tech-Wonders.com