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Operating Systems

Microkernel Operating System

A lightweight microkernel OS implementation with process management, memory protection, and inter-process communication.

CAssemblyOperating Systemsx86 Architecture
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A from-scratch operating system implementation following microkernel architecture principles. This project demonstrates deep understanding of system-level programming.

Architecture

The kernel provides minimal abstractions:

  • Process scheduling and management
  • Virtual memory management
  • Inter-process communication (IPC)
  • Device driver framework
  • System call interface

Core Components

  • Scheduler: Multi-level priority queue scheduler with round-robin time slicing
  • Memory Manager: Virtual memory system with page tables, memory mapping, and protection
  • IPC System: Message-passing mechanism for process communication
  • Device Drivers: Modular driver architecture for hardware abstraction

Implementation Highlights

  • Bootloader integration
  • Hardware interrupt handling
  • Context switching and process isolation
  • File system interface design