000			00416nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a9788131521564
082			_a005.43 MCH
100			_aMchoes, Ann Mclver and Flynn, Ida, M _910063
245		0	_aUnderstanding operating systems
250			_a6
260			_aCengage learning _bNew Delhi _c2011
300			_aXIX, 569p. _b525
650			_aOperating systems
999			_c188054 _d188054