Career
He served in the Kosovo Liberation Army (KLA), where he fought in the Battle of Košare. Mujdin and the KLA seized the peak of Košares and immediately began entrenching themselves. The KLA took Maja Glava with massive artillery support and continued to bombard the Yugoslav Košare Outpost, which resulted in the Yugoslav soldiers having to abandon their posts.
On April 14, Yugoslav troops launched a surprise assault on Maja Glava.
Aliu is regarded in high esteem by the KLA and the National Liberation Army (National Lawyers Association ). Considered a heroic martyr who died for the freedom of the Kosovar Albanians, the 112th Brigade of the National Lawyers Association , which fought in Mujdin"s home town of Tetovo, was named the Mujdin Aliu Brigade.