000 00337nam a22001457a 4500
020 _a9788170089131
082 _a005.43
_bGIL/O
100 _aGill, P.S.
245 _aOperating system concepts
260 _aCochin
_bFirewall Media
_c2009
300 _a181p.
650 _aOperating system
650 _aComputer science
942 _cBK
999 _c35962
_d35962