00489nam a22001097a 4500020002300000082001600023100006200039245004100101260006600142300004000208650013100248  a0-8053-7121-4 (hb)  a005.43bMAE  aMaekawa, MamoruaArthur E. OldehoeftaRodney R. Oldehoeft  aOperating systemsbadvanced concepts  aCalifornia bThe Benjamin (Cummings Publishing Company)c1987  axvi, 414 p.b: ill. (col)c; 25 cm.  aOperating systemsaComputer softwarevComputer sciencevComputer securityvLanguage mechanismsvComputer systemsvNetworksvFC