malikrafsan/16-bits-operating-system

16-bit Operating System

This repository contains 16-bit operating system project, developed using C + Assembly and simulated using Bochs

Related Documents

The specification related to this project can be accessed via these links

• Milestone 1
• Milestone 2
• Milestone 3
• Or docs directory

Functionalities

1. Read input from keyboard and write output to the screen
2. Basic file system commands: cd, ls, mkdir, cat, cp, mv
3. Process creation (outside kernel process)
4. Message passing from multiple program (using shared file)
5. Running multiple process sequentially

Implemented Syscalls

• Screen Related
  • Read Input
  • Print Input
  • Clear Screen
• File System Related
  • Read Sector
  • Write Sector
  • Read File
  • Write File
• Process Related
  • Execute Program
  • Passing Message

How to run

• This project is developed using Ubuntu 20.04 OS. We suggest to use the same OS
• Use Make file to run the OS

  make build-run
  

• Use Make file as well to test the OS

  make test
  

Images

Fresh Bootup OS

File System Image Illustration

File System Node Illustration

Message Passing Mechanism Illustration