000 00333nam a22001457a 4500
005 20211007145307.0
008 211007b ||||| |||| 00| 0 eng d
041 _aeng
100 _aSilvester PP
_927367
245 _aUnix system guide book
250 _a2nd
260 _aNew Delhi
_bNarosa
_c1991
300 _a334
942 _cBK
999 _c192682
_d192682