↩ 🔵 🔵 🔵 ❪𖣐ᵢ❫ Operating System Tech ○ ❪𖣐₃❫ Software ○ Operating System ○꠹ ❪𖣐₃ₐᵢ❫ Operating System Applications ○ ❪𖣐₃ₑᵢ❫ Operating System Libraries ○ ❪𖣐₃ⱼᵢ❫ Operating System Utilities ○ ❪𖣐₃ᵢ₀❫ Operating System Software Portals ○ ❪𖣐₃ᵢ’❫ Windowing Systems ○