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File Extension

File extension ek filename ke end me dot (.) ke baad aane wala suffix hai jo operating system aur…

Overview
🌟

File Extension — Quick Facts

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Property: Detail

🎯

Full Name: File Extension / Filename Extension

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Also Known As: File Type Suffix, Extension, File…

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Category: Core Computing, Operating Systems,…

Topic 1
📥 📥 🧠 🔬 💡 🎯

Infobox

📚 | Property | Detail | |---|---| | Full Name | File Extension / Filename Extension | |…
Topic 2
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Introduction

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Base name — file ka actual naam…

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Extension — dot ke baad ka suffix…

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Users ko turant pata chal jaata…

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Operating system ko pata chal…

Topic 3
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How Extensions Work

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.html → text/html

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.js → application/javascript

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.css → text/css

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.jpg → image/jpeg

Topic 4
✨

Common File Extensions

⭐ | Category | Extension | Full Name | Description | |---|---|---|---| | Text | .txt |…
Topic 5
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Extension aur MIME Type Mapping

🔑 | Extension | MIME Type | Category | |---|---|---| | .html | text/html | Web page | |…
Topic 6
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File Association Flow Diagram

✨ `mermaid graph TD A[User double-clicks file: report.pdf] --> B[OS extracts extension:…
Topic 7
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Extension vs File Signature

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JPEG → starts with FF D8 FF

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PNG → starts with 89 50 4E 47 (PNG…

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PDF → starts with %PDF

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ZIP → starts with 50 4B (PK)

Topic 8
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Security Concerns

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virus.pdf.exe dikhega as virus.pdf…

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Fix: File Explorer → View → Show…

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Extensions hamesha visible rakho…

🎯

Unknown extensions ki files mat…

Topic 9
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File Association

📚 Windows Me Change 1. File par right-click → "Open with" → "Choose another app" 2. App…
Topic 10
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Special Extension Cases

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Makefile, Dockerfile, Vagrantfile…

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.gitignore, .env, .bashrc —…

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Linux executables —…

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archive.tar.gz — double extension…

Topic 11
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Best Practices

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Extensions hamesha visible rakho…

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Correct extension use karo — .py…

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Extension change karke file type…

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Lowercase extensions prefer karo —…

Diagram
📥 ⚙️ 🔬 💡

Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

📖

File

🔗

File_system

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MIME_type

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File_Explorer

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Operating_system

🌐

Binary

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

File Extension ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

File Extension ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

File Extension Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

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File Extension Complete

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