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File Permission

File permission (ya file ki ijazat) ek operating system feature hai jo control karta hai ki kaunsa…

Overview
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File Permission — Quick Facts

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Property: Detail

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Full Name: File Permission / File Access…

Also Known As: Access Rights, File Mode, File…

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Category: Operating System Security, System…

Topic 1
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Infobox

📚 | Property | Detail | |---|---| | Full Name | File Permission / File Access Permission |…
Topic 2
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Introduction

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Boss (owner) — sab kuch access kar…

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Team members (group) — kuch files…

Visitors (others) — sirf limited…

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Read — file ka content padhna…

Topic 3
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Unix/Linux Permission System

🎯 Unix/Linux me har file ke 3 permission levels hote hain: Three Categories | Category |…
Topic 4

Permission Bits Explained

ls -l command se permission dekhte hain: ` -rwxr-xr-- 1 anil developers 4096 Mar 01 10:00…
Topic 5
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Octal (Numeric) Notation

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rwx = 4 + 2 + 1 = 7

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r-x = 4 + 0 + 1 = 5

r-- = 4 + 0 + 0 = 4

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--- = 0 + 0 + 0 = 0

Topic 6

Common Permission Numbers

| Octal | Symbolic | Meaning | Use Case | |---|---|---|---| | 777 | rwxrwxrwx | Everyone…
Topic 7
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Permission Check Flow Diagram

🌟 `mermaid flowchart TD A[User tries to access file] --> B{Is user the Owner?} B -->|Yes|…
Topic 8
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Windows Permissions (NTFS ACL)

🚀 Windows me NTFS (New Technology File System) Access Control Lists (ACLs) use hota hai —…
Topic 9

File vs Directory Permissions

📚 Same permission bits files aur directories ke liye different matlab rakhte hain: |…
Topic 10
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Special Permissions

💡 Unix me 3 special permission bits hain: | Special Permission | Symbol | Octal | Effect |…
Topic 11
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Security Best Practices

🎯 1. Principle of Least Privilege — sirf utni permission do jitni zaroori hai 2. Kabhi 777…
Topic 12

Common Mistakes

1. chmod 777 har jagah lagate rehna — "kaam nahi ho raha, 777 de do" — worst practice 2.…
Comparison

File vs Directory Permissions

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Read (r): File ka content padh sakte ho

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Write (w): File modify/overwrite kar…

⚖️

Execute (x): File ko program ki tarah…

Diagram
📥 ⚙️ 🔬 💡

Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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File

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File_system

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File_manager

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File_path

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Operating_system

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Linux

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

File Permission ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

File Permission ka 'Full Name' kya hai?

Complete! 🎉
COMPLETE

File Permission Complete!

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File Permission Complete

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