000			00393nam a2200145Ia 4500
005			20260205054411.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a005.4 J776O
100			_aJoshi, R.C.
245		0	_aOperating system: a simplified methodological approach
260			_aNew Delhi _bDreamtech _c2005
300			_a373p.
690			_aComputer operating system
942			_cBK
999			_c137862 _d137862