_ _ _ _ _ _ _ _ _ _ _ _ _
How many nuclear engineers does it take to change a light bulb ? Seven: One to install the new bulb, and six to determine what to do with the old one for the next 10,000 years.
_ _ _ _ _ _ _ _ _ _ _ _ _
....
........ .
. .
. .
....... .......
............................
sort nome_do_ficheiro.txt | uniq -c