write a batch file which make a backup for this file.   if we take that table for exempel  The textfile :  ID    Name   Weight  Long  Class  Age 012   Eric         56       156     7       13 045  Richard    78       178    9        17 098   Maya      60       164    10      16 072   Anna      56       152      8      14 034  Helena    76       169      11    18 022  Kevin       66       162      6      12 093  Peter       99        170     12     19

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