The option have to fit your purpose
if you want to make a number brute force on 8 characters, it would be something like this ( check the help and check on the net, you will find many examples)
[code]./crunch 8 8 0123456789 | aircrack-ng -w - myhands...
if you want to make a number brute force on 8 characters, it would be something like this ( check the help and check on the net, you will find many examples)
[code]./crunch 8 8 0123456789 | aircrack-ng -w - myhands...