UNIX for Dummies Questions & Answers

i need to create a script using the patterns below. im not good in script writing so i need your help guys.. i thing i can use SELECT here but dont really know how to start.

1. Create a script named exercise1.sh that will generate a menu with the following items:
a. Current Logins
b. Last Logins
c. Generate List of Users
d. Create User Accounts
e. Exit

Ask the users to choose from the menu. The following shou...Ask the users to choose from the menu. The following should happen if the user chose:
● Current Logins - It should show the users who are currently logged in to the system by
displaying the following lines:
There are ____ number of users currently logged in. They are:
[Enumerate the list of users logged in]
● Last Logins - Ask for a username and display the last logins of the user specified.
● Generate List of Users - It should list down the username only of all the users in the system.
Afterwards, ask if the generated list will be saved or not. If it will be saved, ask for the
filename on where you want the list to be saved.
● Create User Accounts - Ask for the username, full name, and the user ID for the user account
that will be created. After creating the user, set a null password for the initial password of the
user and have the user modify its password upon first login.

This looks like a homework to me

pls help.. actually im practicing but i dont have enough skills.,