HackerRank Tail of a Text File #1 problem solution YASH PAL, 31 July 2024 In this HackerRank Tail of a Text File #1 problem solution In this challenge, we practice using the tail command to display the last n lines of a text file. Display the last 20 lines of an input file. Input Format A text file. Constraints Output the last 20 lines of the text file. Problem solution. tail -n 20 Second solution. #!/bin/bash tail -n 20 $1 Third solution. touch buffer while read line do echo $line >> buffer done tail -n 20 buffer coding problems linux shell