Terminal Master - Linux Commands Reference App

Master Linux commands with examples, quizzes, and daily challenges. A feature-rich React Native app built with Expo and Tailwind CSS.

� Screenshots

�📱 Overview

A mobile app featuring 400+ Linux commands with search, category filters, quizzes, and a daily command challenge. Optimized for Android 8.1+ with a lean 20-25 MB APK.

✨ Features

• Searchable Commands: 400+ Linux commands with descriptions and examples
• Category Filtering: Browse by System Info, File System, Networking, Permissions, Process, Text, and more
• Daily Challenge: One new command per day to keep learning
• Quiz Mode: Test your knowledge with randomized multiple-choice questions
• Copy to Clipboard: Quickly copy command examples
• Dark Terminal UI: Custom black/green theme mimicking a real terminal
• Offline Ready: Works without internet connection

🛠 Tech Stack

• Framework: React Native with Expo
• Styling: Tailwind CSS + NativeWind
• Routing: Expo Router
• State Management: React Hooks
• Icons: Ionicons from Expo Vector Icons
• Build: EAS Build (Expo Application Services)

🚀 Getting Started

Prerequisites

• Node.js 18+
• npm or yarn
• Expo CLI

Installation

# Clone the repository
git clone https://github.com/tejHacks/linux-commands-mobile-app.git
cd linux-commands-mobile-app

# Install dependencies
npm install

# Start the development server
npx expo start

Build APK

# Build for Android
npx eas build -p android --profile production --wait

# APK will be available at the EAS build dashboard

📋 Project Structure

app/
  ├── index.tsx              # Home/Landing page
  ├── commands.tsx           # Commands browser & search
  ├── quiz.tsx              # Quiz mode
  ├── daily.tsx             # Daily command challenge
  ├── onboarding.tsx        # Onboarding flow
  └── _layout.tsx           # Router layout

components/
  └── Navbar.tsx            # Bottom navigation

data/
  └── commands.ts           # 400+ Linux commands database

assets/images/
  └── download.png          # App icon

🎯 Key Challenges Solved

• ✅ Reduced APK size to 20-25 MB using Gradle optimizations
• ✅ Fixed FlatList performance with category filters
• ✅ Implemented dark mode terminal UI with NativeWind
• ✅ Randomized quiz question generation
• ✅ Daily command rotation based on date

📊 Commands Database

Categories included:

• System Info
• File System
• Networking
• Permissions
• Process Management
• Text Processing
• Package Management
• Archives
• Disk Management
• Environment Variables

🔗 Links

• GitHub: https://github.com/tejHacks/linux-commands-mobile-app
• Expo Project: Expo Learn App
• Demo: Coming soon

📄 License

MIT License - Feel free to use this project for personal or commercial purposes.