↩ 🔵 🔵 🔵 ❪✺ᵢ❫ File System Concepts ○ ❪✺₁ᵢ₍₀₎❫ File Class Corridors ○ ❪✺₁ᵢ₍₀₎❫ Operating System Class Corridors ○ Directory ○꠹ Fork ○꠹ꟳᴵᴸᴱˢʸˢᵀᴱᴹ