00468nam a2200157Ia 4500008004100000020001400041082001500055100002100070245003700091250000700128260005600135300002900191500001900220600002100239650005000260240925s9999    xx            000 0 und d  a201427753  a005.43 BRA  aBraun, Christoph 0aUnix System Security Essentials   aNA  aWokingham:bAddison-Wily Publishing Companyc,1995.  aviii,155p.bNAfOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works