--> Take a copy of the / etc / passwd file to the root user'shome directory.
--> Transfer the username-userID information in this file to thefile named user_idler.txt.
--> Export the file named user_idler.txt in alphabetical orderto user_list.txt file
--> Show how many lines the file user_idler.txt consistsof.
--> Find the number of lines for the letter in the file nameduser_idler.txt
