000 00293nam a22001337a 4500
020 _a9788131701010
082 _a005.432
100 _aCOCHAN STEPHEN G.
245 _aUNIX SHELL PROGRAMMING
250 _a5 RD
260 _aNEW DELHI
_bPEARSON
_c2003
300 _aXVI, 437 P
942 _cBK
999 _c8038
_d8038