hello, booting the interpreter Ocaml after loadng the version , I receive : $ ocaml Bus error thank's for some light. Regards. Daniel. Daniel Marre. INSA-DGEI 135 av. de Rangueil - 31077 - Toulouse cedex 4 Daniel.Marre@insa-toulouse.fr Tél : (33) 5.61.55.98.08 Web : www.insa-toulouse.fr