Because Linux is a multiuser operating system, security is often based on accounts. Each person is provided a user account that allows the user access to the system.
As an administrator, it is important to know the basics of creating and managing user accounts. In regard to security, you should consider user accounts as one of the biggest potential risks to the system. As a result, properly securing user accounts is a critical system administration task.
In this chapter, you learn more about the concepts of user accounts. You also explore how to create, modify, secure, and delete user accounts.
After reading this chapter and completing the exercises, you will be able to do the following:
Understand the concept ...