VmSim-v1.3.3 Windows/Mac/Linux

📦 Virtual Memory Simulator – v1.3.3

A Unity-based simulator demonstrating Page Replacement Algorithms as my Case Study at Tarlac State University.

This project simulates how virtual memory works using popular algorithms:

• ✅ FIFO (First-In, First-Out)
• ✅ LRU (Least Recently Used)
• ✅ OPT (Optimal Page Replacement)

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🏫 Project Info

• Subject: Operating Systems
• Instructor: Jo Anne Cura
• Student: Marc Jersey M. Castro
• Semester: 2nd Semester, A.Y. 2024–2025
• University/Course: Tarlac State University – College of Computer Studies

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🎮 How to Use

1. Open the VirtualMemorySimulator.exe file (no installation needed).
2. Enter:
   • Select number of Page Frames
   • Length of Reference String
3. Press the Generate button.
4. Press the Check button.
5. Choose an algorithm to simulate (FIFO, LRU, or OPT).
6. View step-by-step visual results and page fault count.

🛠️ The Simulate button has been removed in this version for simplified workflow.

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📁 Files Included in Release

• VirtualMemorySimulator_v1.3.2.zip
  • VirtualMemorySimulator.exe (executable file)
  • Required Data folder
  • baselib.dll
  • Data
  • UnityPlayer.dll
  • GameAssembly.dll
  • UnityPlayer.dll
  • UnityCrashHandler64.exe

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🧠 Algorithms Explained

FIFO (First-In, First-Out)

• Replaces the oldest page currently in memory.

LRU (Least Recently Used)

• Replaces the page that hasn’t been used for the longest time.

OPT (Optimal)

• Replaces the page that will not be used for the longest time in the future.

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🖼️ Screenshots

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🔧 Technologies Used

• Unity 2022.3.49f1 (LTS)
• C# (MonoBehaviour)
• TextMeshPro for UI
• Visual Studio Code for scripting

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🎨 Assets Used

Asset	Source
Font (VT323)	Google Fonts
Background Music	Retro 8-Bit RPG Music Pack
Button Sounds	Free UI Click Sound Pack
GUI Icons	2D Simple UI Pack
Cursor	Pixel Cursors

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📢 License & Use

This project is for educational use only.
All third-party assets are properly credited.

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👤 Author

Marc Jersey M. Castro
BSCS Student – Tarlac State University
Final Project – Operating Systems

VmSim-v1.3.0_Windows

How to run the program

• Export the zip file
• Run VirtualMemorySimulator.exe

VmSim-v1.2.0 Apk

GUI Sound and animations

VmSim-v1.1.0 Windows

GUI UPDATE

VmSim-v1.1.0 Apk

Mobile Version

VmSim-v0.3.0 apk

Lru algorithm

VmSim-v0.2.0_apk

Optimal algorithm build for android

What's Changed

• optimal algo + enums by @MUMEi-28 in #2

Full Changelog: VM-Sim_v0.1.0_Android...VmSim-v0.2.0_apk

VM-Sim v0.2.0 Windows

Optimal Algorithm build

I removed fifo algo for now

Full Changelog: VM-Sim_v0.1.0_Windows...VM-Sim_v0.2.0_Windows

VM-Sim v0.3.0 Windows

LRU algo

v0.1.0 Windows

Fifo Algorithm

Open 'VirtualMemorySimulator.exe' To run file