000 00338nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a5.382 DAS
100 _aDas, Sumitabha
245 0 _aUnix Concept And Applications
260 _aNEW DELHI
260 _bTMH
260 _c2000
300 _a564
650 _aComputers Engineering
999 _c147447
_d147447