the Index ID as the key") or CALC. Release history (Computer Associates/CA era) User groups IDMS has non-profit user associations who use or support CA IDMS or related products. They include: CA IDMS (IUA EIUA) Global User Community AID – Anwendervereinigung IDMS Deutschland Australian IDMS User Group BeNeLux IDMS User Association Chicago IDMS Users Group Committee Quebec Users of IDMS Dallas CA-IDMS Users Forum European IDMS User Group Finnish IDMS User Group AUI – Association des Utilisateurs d'IDMS – France Rocky Mountain IDMS Users Group UK IDMS User Association See also CA Datacom/DB IBM Information Management System ICL IDMS(X) References External links CA IDMS Databases IBM mainframe software