000 00282nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
100 _aDas, Sumbhita
245 0 _aUnix concepts and Applications
250 _a1st ed
260 _bPHI
_aDelhi
_c2002
300 _a300p p.
942 _cBK
999 _c2501
_d2501