00750cam 2200241 450 1730834http://id.bnportugal.gov.pt/bib/porbase/173083420030625192100.01-56592-148-8Brochado11770$0007010PTBN0103360319980421d1996 k y0pory0103 baengUSPractical UNIX and internet securityCambridgeO'Reilly & Associates1996XXIX, 971 p.Computer security681.324medeng1382634GarfinkelSimson642101SpaffordGene0701398520PTBNRPC004.45 GAR*Pra UNIX/LINUXcoopUASDmq3302761bccoopUASD0VERNEY M68/681.3.06 GAR pcoopUEBIBmq2886605bccoopUEBIB0ASD28-3370