000			00370nam a2200157Ia 4500
003			OSt
020			_a9780070635463
082			_a005.432 _bDAS
100			_aDas, Sumitabha
245			_aUnix : Concepts and Applications 4th ed.
250			_a4th ed.
260			_aNew Delhi _b TMH _c2012
300			_a671p.
650			_aComputer Science Engineering
942			_2ddc _cBK
999			_c2728 _d2728