00559nam 2200181 450 2107166http://id.bnportugal.gov.pt/bib/porbase/21071660-13-031999-6UALLC_BC_126.iso/16-03-2009/248520030128d2001 k y0pory0103 baengUSOperating systemsinternals and design principlesWilliam StallingsFourth editionNew JerseyPrentice Hallcop. 2001XVIII, 779 p.24 cm004.45BNporStallingsWilliamPTUALLCRPC