000			00419nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a4 _bSI-O
100			_aSinghal,Mukesh
245		0	_aAdvanced concepts in operating system
250			_a1st Ed.
260			_c1994 _aNew Delhi _bTata McGraw Hill Education Limited
650			_aComputer Engineering
700			_aShivaratri,Niranjan
942			_cBK
999			_c2333 _d2333