The following shows a command line session with pr command which helps in displaying contents of a file in shell scripts.
$cat lkg.txt A for Apple B for Ball C for Cat D for Donkey E for Elephant F for Fox G for Goat H for Horse I for Insect $pr -l 10 lkg.txt A for Apple B for Ball C for Cat D for Donkey E for Elephant F for Fox G for Goat H for Horse I for Insect $