Lot of people use special softs to convert
hex numbers to decimal ones. You can easily
do it (C style) via printf:
# from hex to dec
$ printf "%d\n" 0x100
256
# from dec to oct
$printf "%o\n" 8
10 NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.