000 00396nam a2200145Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a9780070635463
082 _a005.43 DAS
100 _aDas, Sumitabha
_91470
245 0 _aUnix: Concepts and Applications
250 _a4
260 _aTata mc graw hill ltd.
_bNew delhi
_c2011
300 _axxi;671
_b425
650 _aOperating systems
999 _c182241
_d182241