00520nam a2200145Ia 4500001000500000005001700005008004100022020002200063082001500085100002100100245005500121260006500176300003300241650010000274167120261006003544.0120911s9999    xx            000 0 und d  a0201427753 (pbk.)  a005.43 BRA  aBraun, Christoph  aUNIX system security essentials / Christoph Braun.  aWokingham, England ; Reading, Mass. : Addison-Wesley, c1995.  aviii, 155 p. : ill. ; 23 cm.  aOperating systems (ComputeRed Sport)           UNIX (Computer file)          Computer security.