X Window System
[ar] نظام النافذة إكس
[az] X Window sistemi
[bg] X Window System
[bn] এক্স উইন্ডো সিস্টেম
[ca] X Window System
[cs] X Window System
[da] X Window System
[de] X Window System
[el] X Window System
[eo] Fenestra Sistemo X