He died in Ibadan, the Oyo State capital, on Tuesday.
Alabi was one of the commanders of the Nigerian Army during the Nigerian civil war.
He was part of the gallant troops that captured Port Harcourt in 1968.
After the death of Major Isaac Adaka Boro on May 18, 1968, in Okrika, he assumed command of the 19th Brigade hitherto commanded by Boro.
He was also given the additional responsibility of commanding the 15th Brigade formerly commanded by Col. Alani Akinrinade.
In the battle for Port Harcourt, he had orders to take Elele and Ahoada and hold them against all odds.
After the fall of Port Harcourt, he also had the responsibility of clearing the riverine areas of Abonema, Buguma and Ahoada.
Soon after that, he was moved to the military hospital in Lagos for surgery because he had a bullet stuck in his head from the battle.