Como encontrar Max e Min na festa da coluna
#min
cat file.dat | sort -nk3,3 | head -1
#this will find minumum of column 3
#max
cat file.dat | sort -nk3,3 | tail -1
#this will find maximum of column 3
#to find in column 2 , use -nk2,2
Hutch Polecat