00000nam a2200000 a 4500 20251203092008.0 0201427753 005.43, D, bra Braun, Christoph Unix system security essentials, Christoph Braun, eng Menlo Prk, Addison-Wesley 1995 viii,155p. 22cm Unix, Operating systems Nixdorf, Siemens Eng _ 83150 LIBSC C 60204 60204 0 0 0 0 PU PU 1998-07-16 0 005.43, D, bra 83150 BK