00308nam a2200109Ia 4500008004100000041000800041082002300049100001900072245005700091260004200148300000800190211209s1990    xx            000 0 und d  aeng  a005.44 N90 BAC/DAV  aBACKHURST, N G  aSYSTEMS MANAGEMENT UNDER UNIX AND UNIX LIKE SYSTEMS   aNEW DELHIbGALGOTIA PUBLICATIONc1990  a220