000 00351nam a2200133Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a9780070151314
100 _aDas, sumithabha
245 0 _aUnix concepts and applications
250 _a4th
260 _aTata mc graw hill ltd.
_bNew Delhi
_c2006
300 _axvi;846
_b475
650 _aMECHANICAL
999 _c132472
_d132472