JavaScript OS

JavaScript OS is a comprehensive operating system simulation written in JavaScript. It provides a wide range of functionalities including process management, memory management, file system operations, and more.

Features

• Process Management: Create, run, and terminate processes.
• Memory Management: Load, store, and manipulate data in memory.
• File System: Create, read, write, and delete files.
• Network Utilities: Perform network operations like ping, traceroute, and netstat.
• Package Management: Install, uninstall, and update packages.
• Backup and Restore: Backup and restore system data.
• User Management: Add, delete, and list users.
• Automation Scripts: Schedule and run tasks automatically.
• Logging: Comprehensive logging for system operations.
• Configuration Management: Manage system configurations.
• Shell Interface: Interactive shell for executing commands.
• Virtual File System: Simulate a file system for the OS.
• Task Management: Manage and schedule tasks.
• Text Editing: Basic text editor functionality.
• Window Management: Manage application windows.
• Inter-Process Communication: Facilitate communication between processes.
• Web Server: Built-in web server for handling HTTP requests.
• Database Management: Manage and interact with databases.
• Performance Benchmarks: Benchmark various system components.
• Testing: Unit and integration tests for system components.

Directory Structure

project/
├── fs/ # File system root
├── src/
│   ├── index.js # Entry point
│   ├── WebServer.js
│   ├── commands/ # Command modules
│   │   ├── file-management/
│   │   │   ├── FileCommands.js
│   │   ├── system-monitoring/
│   │   │   ├── MemoryCommands.js
│   │   ├── process-management/
│   │   │   ├── ProcessCommands.js
│   ├── os/ # Operating system core
│   │   ├── OperatingSystem.js
│   │   ├── Process.js
│   │   ├── cli.js
│   │   ├── configManager.js
│   │   ├── database.js
│   │   ├── fileManager.js
│   │   ├── fileSystem.js
│   │   ├── IPC.js
│   │   ├── Logger.js
│   │   ├── MemoryManager.js
│   │   ├── Network.js
│   │   ├── PackageManager.js
│   │   ├── ProcessScheduler.js
│   │   ├── Shell.js
│   │   ├── TaskManager.js
│   │   ├── TextEditor.js
│   │   ├── UserManager.js
│   │   ├── VirtualFileSystem.js
│   │   ├── WindowManager.js
│   ├── network-utilities/
│   │   ├── ping.js
│   │   ├── traceroute.js
│   │   ├── netstat.js
│   ├── package-management/
│   │   ├── install.js
│   │   ├── uninstall.js
│   │   ├── update.js
│   ├── backup-restore/
│   │   ├── backup.js
│   │   ├── restore.js
│   ├── user-management/
│   │   ├── add-user.js
│   │   ├── delete-user.js
│   │   ├── list-users.js
│   ├── automation-scripts/
│   │   ├── schedule-task.js
│   │   ├── run-task.js
├── test/ # Test directory
│   ├── unit/
│   │   ├── backup.test.js
│   │   ├── cli.test.js
│   │   ├── configManager.test.js
│   │   ├── database.test.js
│   │   ├── FileCommands.test.js
│   │   ├── fileManager.test.js
│   │   ├── install.test.js
│   │   ├── logger.test.js
│   │   ├── MemoryCommands.test.js
│   │   ├── netstat.test.js
│   │   ├── packageManager.test.js
│   │   ├── ping.test.js
│   │   ├── ProcessCommands.test.js
│   │   ├── restore.test.js
│   │   ├── shell.test.js
│   │   ├── taskManager.test.js
│   │   ├── textEditor.test.js
│   │   ├── traceroute.test.js
│   │   ├── uninstall.test.js
│   │   ├── update.test.js
│   │   ├── userManager.test.js
│   │   ├── webServer.test.js
│   │   ├── windowManager.test.js
│   ├── integration/
│   │   ├── OperatingSystem.test.js
│   ├── checklist/
│   │    ├── functionality-checklist.md
│   │    ├── performance-checklist.md
│   ├── benchmarks/
│   │   ├── backup-restore-benchmark.js
│   │   ├── cli-benchmark.js
│   │   ├── config-manager-benchmark.js
│   │   ├── database-benchmark.js
│   │   ├── file-operations-benchmark.js
│   │   ├── logger-benchmark.js
│   │   ├── memory-benchmark.js
│   │   ├── network-benchmark.js
│   │   ├── package-management-benchmark.js
│   │   ├── process-benchmark.js
│   │   ├── shell-benchmark.js
│   │   ├── task-manager-benchmark.js
│   │   ├── user-management-benchmark.js
│   │   ├── web-server-benchmark.js
│   │   ├── window-manager-benchmark.js
├── .gitignore
├── package.json
├── package-lock.json
├── README.md

Installation

1. Clone the repository:

   git clone https://github.com/yourusername/javascript-os.git
   cd javascript-os

2. Install dependencies:

   npm install

3. Start the operating system shell:

   node src/index.js

   4. Use the following commands in the shell:

   Memory Commands

   • load <value>: Load a value into the accumulator.
   • store <address>: Store the accumulator value at the specified memory address.
   • add <value>: Add a value to the accumulator.
   • sub <value>: Subtract a value from the accumulator.
   • mul <value>: Multiply the accumulator by a value.
   • div <value>: Divide the accumulator by a value.
   • print: Print the value of the accumulator.
   • clear: Clear the accumulator.

   File Commands

   • createFile <filename>: Create a new file.
   • readFile <filename>: Read the contents of a file.
   • writeFile <filename> <content>: Write content to a file.
   • deleteFile <filename>: Delete a file.

   Process Commands

   • createProcess <instructions>: Create a new process with a list of instructions.
   • runProcess <pid>: Run a process by its PID.
   • terminateProcess <pid>: Terminate a process by its PID.

   Additional Commands

   Network Utilities

   • ping <address>: Ping a network address.
   • traceroute <address>: Perform a traceroute to a network address.
   • netstat: Display network statistics.

   Package Management

   • install <package>: Install a package.
   • uninstall <package>: Uninstall a package.
   • update <package>: Update a package.

   Backup and Restore

   • backup: Backup system data.
   • restore: Restore system data from a backup.

   User Management

   • addUser <username>: Add a new user.
   • deleteUser <username>: Delete a user.
   • listUsers: List all users.

   Automation Scripts

   • scheduleTask <task>: Schedule a task.
   • runTask <task>: Run a scheduled task.

   Shell Interface

   • help: Display available commands.
   • exit: Exit the shell.

   Web Server

   • startServer: Start the built-in web server.
   • stopServer: Stop the built-in web server.

   Database Management

   • query <sql>: Execute a SQL query on the database.

   Configuration Management

   • setConfig <key> <value>: Set a configuration key-value pair.
   • getConfig <key>: Get the value of a configuration key.

   Logging

   • viewLogs: View system logs.

   Task Management

   • listTasks: List all scheduled tasks.
   • cancelTask <taskId>: Cancel a scheduled task.

   Text Editing

   • editFile <filename>: Open a file in the text editor.

   Window Management

   • openWindow <app>: Open an application window.
   • closeWindow <app>: Close an application window.

   Inter-Process Communication

   • sendMessage <pid> <message>: Send a message to a process.

   Testing

   To run the unit tests:

   npm test

   To run specific tests:

   npm run test:unit
   npm run test:integration

   Benchmarks

   To run performance benchmarks:

   npm run benchmark

Contributing

Contributions are welcome! Please open an issue or submit a pull request.

License

This project is licensed under the MIT License. See the LICENSE file for details.