000 00316nam a2200133Ia 4500
005 20260205062552.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a005.43 C455O
100 _aChopra, Rajiv
245 0 _aOperating systems
260 _aNew Delhi
_bS. Chand
_c2009
300 _a545p.
942 _cBK
999 _c173140
_d173140