stdin and stdout for linux using cowsay tool … To generate a 10 digits random number

#to get a 10 digits random number in terminal

shuf -i 1000000000-9999999999 -n 1

#to execute it 5 times add a for loop

for i in {1..5}; do shuf -i 1000000000-9999999999 -n 1; done

pipe standar output to cowsay input using |