000 00261nam a22001217a 4500
999 _c601095
_d601095
020 _a9789332575776
082 _a005.43
_bTAN.M
100 _aBos ,Herbert
245 _aModern operating system
260 _bPearson;
_c2018.
300 _a1101p.
942 _cBK