The language is bash

Create a bash script called "lookup" that will do the following:

a. Contain a comment section with the script name, your name, the date, and the reason for writing this script.The reason for writing this script is to display datafile in sorted order.

b. Sort "datafile" by last names. (datafile is a text file i will create)

c. Show the user the contents of "datafile".

d. Tell the user the number of entries in the file.