CSC3150 Operating System Labs

This repository contains my lab assignments for CSC3150 – Operating System (2025 Fall) at The Chinese University of Hong Kong, Shenzhen (CUHK-SZ).

Lab Assignments

1. User and Kernel Level Process Management — 110 / 100

   • Implemented simplified versions of fork(), execve(), and wait()
   • Compared user-space and kernel-space process creation mechanisms

2. Simple Multithreaded Game Design — 95 / 100

   • Designed a multithreaded game using POSIX threads
   • Focused on synchronization and concurrency control

3. Multi-Level Feedback Queue (MLFQ) Scheduler — 100 / 100

   • Implemented an MLFQ scheduler in the xv6 kernel
   • Explored scheduling policies and priority adjustment

4. mmap and munmap System Call Implementation — 110 / 100

   • Implemented memory mapping and unmapping system calls
   • Gained hands-on experience with virtual memory management