Users and Groups Creation and Deletion Batch

# Introduction

In this project, you will learn how to create and manage user accounts for teachers and students in a classroom server environment. You will use a bash script called `userctr.sh` to automate the process of adding and deleting user accounts, which can be a tedious task when done manually.

## 👀 Preview

# Add 1 teacher user and 6 student users (stu1 to stu6)
$ sh userctr.sh add teacher stu 6
teacher:617533
stu1:345893
stu2:183263
stu3:404525
stu4:571165
stu5:251940
stu6:716130

# Delete 1 teacher user and 6 student users (stu1 to stu6)
$ sh userctr.sh del teacher stu 6

## 🎯 Tasks

In this project, you will learn:

- How to set up the necessary environment for the project
- How to implement functions to add and delete users and groups
- How to test the `userctr.sh` script to ensure it works as expected

## 🏆 Achievements

After completing this project, you will be able to:

- Understand the importance of automating user management tasks
- Create and manage user accounts for teachers and students using a bash script
- Ensure that user accounts are created with the appropriate settings, such as default shell and sudo privileges
- Efficiently add and delete user accounts in a classroom server environment