000 00374nam a2200169Ia 4500
008 250421s9999 xx 000 0 und d
020 _a9780070635463
082 _bDas
100 _aDas, Sumitabha
245 0 _aUnix concept and application
250 _a4th
260 _aChennai
260 _bMcGraw Hill
260 _c2024
300 _axxi, 671
942 _cGBK
999 _c199606
_d199606