000			00407nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a007061681-7
082			_a005.42 _bISR
100			_aIsrd Group
245		0	_aBasics of os,unix and shell programming
260			_aNew Delhi : _bTata Mcgraw-Hill, _c2007.
300			_aXXII,304
365			_a195
650			_aComputer EngineeringInformation Technology
999			_c143557 _d143557