000			00331nam a2200133Ia 4500
008			220120s9999||||xx |||||||||||||| ||und||
082			_a005.43 DAS
100			_aDas, Sumitabha _91470
245		0	_aUnix
250			_a4th
260			_aMcgraw hill book company _bNew Delhi _c2014
300			_a744p. _b0
650			_aCOMPUTER SCIENCE
999			_c133071 _d133071