000			00405nam a2200157Ia 4500
005			20260205060140.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a005.43 D26C
100			_aDas, Sumitabha
245		0	_aUnix: concepts and applications
250			_a4th ed.
260			_aNew Delhi _bTata McGraw-hill pub _c2006
300			_a671p.
690			_aOPERATING SYSTEM -UNIX
942			_cBK
999			_c164020 _d164020