000 00457nam a2200169Ia 4500
008 211115s9999 xx 000 0 und d
020 _a81-203-0934-0
041 _aeng
082 _aBV
_bN4;3
100 _aNorton, Peter.
245 0 _aPerter Norton`s Dos Guide updated to cover 6.2 /
250 _a6th ed. /
260 _aNew Delhi-110 001 :
_bPrentice-Hall of India ,
_c1985
300 _axxiv,744p ;
650 _aOperating systems
942 _cTB
999 _c6234
_d6234