000 00290nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aSunitabha Das
245 _aUnix System ;Concept & Application
260 _bDelhi:TMH
_c1996
300 _a498p.
650 _aComputer
999 _c3265
_d3265