000			00370nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a4 _bHA-O
100			_aHansen,Per Brinch
245		0	_aOperating system principles
250			_a2nd Ed.
260			_c1990 _aNew Delhi _bPHI Learning Private Limited
650			_aComputer Engineering
942			_cBK
999			_c1414 _d1414