000 00316nam a2200145Ia 4500
100 _aHansen/P.B.
942 _cBK
654 _aoperating systems
245 _aOperating system principles
260 _bprentice hall
_aNew Delhi
_c1986
082 _a1.64
_bHAN
300 _a366
546 _aENGLISH
999 _c34958
_d34958