000 00257nam a2200097 4500
080 _a681.3.066
_bUNIX DAS.93
245 _aUnix system v.4; concepts and applications
100 _aDAS, Sumitabha
260 _aNew Delhi
_bTMH
_c1993
300 _axvi+498p
500 _aDonated by Dr Amit Jain
999 _c40228
_d40228