LPI Linux Essentials Study Guide, 3rd Edition

CHAPTER 12Understanding Basic Security

Objectives:

•   5.1 Basic Security and Identifying User Types

 Linux is a multiuser OS, meaning that it provides features to help multiple individuals use the computer. Collectively, these features constitute accounts. Previous chapters of this book have referred to accounts in passing but haven’t covered them in detail.

This chapter changes that; it describes important account principles and a few commands that you can use to begin investigating accounts. Related to accounts are groups, which are collections ...