000 00291nam a2200133 4500
020 _a9780070635463
082 _a005.432
100 _aDAS SUMITABHA
245 _aUNIX CONCEPTS AND APPLICATIONS
250 _a4TH
260 _aNEW DELHI
_bTMH
_c2006
300 _aXXI; 671 P
942 _cBK
999 _c7721
_d7721