▁ ▁With ▁the ▁release ▁of ▁Mac ▁OS ▁X ▁Leop ard ▁( 1 0 . 5 ), ▁Apple ▁chose ▁to ▁move ▁away ▁from ▁using ▁the ▁Net Info ▁directory ▁service ▁( origin ally ▁found ▁in ▁Ne XT ST EP ▁and ▁Open Step ), ▁which ▁had ▁been ▁used ▁by ▁default ▁for ▁all ▁local ▁accounts ▁and ▁groups ▁in ▁every ▁release ▁of ▁Mac ▁OS ▁X ▁from ▁ 1 0 . 0 ▁to ▁ 1 0 . 4 . ▁Mac ▁OS ▁X ▁ 1 0 . 5 ▁now ▁uses ▁Directory ▁Services ▁and ▁its ▁plugins ▁for ▁all ▁directory ▁information . ▁Local ▁accounts ▁are ▁now ▁registered ▁in ▁the ▁Local ▁Pl ugin , ▁which ▁uses ▁XML ▁property ▁list ▁( pl ist ) ▁files ▁stored ▁in ▁/ var / db / ds local / nodes / Default / ▁as ▁its ▁backing ▁storage . ▁ ▁Im plementation ▁in ▁mac OS ▁Server ▁mac OS ▁Server ▁can ▁host ▁an ▁Open ▁Directory ▁domain ▁when ▁configured ▁as ▁an ▁Open ▁Directory ▁Master . ▁ ▁In ▁addition ▁to ▁its ▁local ▁directory , ▁this ▁Open LD AP - based ▁L D AP v 3 ▁domain ▁is ▁designed ▁to ▁store ▁central ized ▁management ▁data , ▁user , ▁group , ▁and ▁computer ▁accounts , ▁which ▁other ▁systems ▁can ▁access . ▁ ▁The ▁directory ▁domain ▁is ▁pa ired ▁with ▁the ▁Open ▁Directory ▁Password ▁Server ▁and , ▁option ally , ▁a ▁Ker ber os ▁real m . ▁ ▁Either ▁provides ▁an ▁authentication ▁model ▁and ▁stores ▁password ▁information ▁outside ▁of ▁the ▁directory ▁domain ▁itself . ▁ ▁For ▁Ker ber os ▁authentication , ▁the ▁Ker ber os