00334nam a2200121Ia 4500008004100000041000800041082001300049100001700062245006400079260003800143653001000181653002100191160808s1999    xx            000 0 eng d  aeng  a005.4469  aHein, Jochen  aLinux companion for system administrators /cby Jochen Hein  aEngland :bAddison Wesley,c1999.  aLinux  aOperating System