00278nam a2200109 a 450000500170000002000150001708200200003210000250005224500290007726000400010630000220014620251203091745.0  a812030974X  a005.43,bD, Tan  aTanenbaum, Andrew S.  aModern operating systems  aDelhibPrentice-Hall of Indiac1995  axx, 728p.c25 cm.