CompTIA Linux+ Certification All-in-One Exam Guide, Second Edition (Exam XK0-005), 2nd Edition

CHAPTER 6

Managing Ownership and Permissions

In this chapter, you will learn about

•   Managing file ownership

•   Managing file and directory permissions

•   Configuring file attributes and access control lists

The system and the group are intimately interacting entities.

—Clarence “Skip” Ellis, University of Colorado, Boulder

There are two tasks to accomplish when managing user access to a Linux system:

•   Control who can access the system.

•   Define what users can do after they have logged in to the system.

Access control is implemented by defining users and groups and then defining what those users and groups are authorized to do after they log into the system. Let’s begin by discussing file and directory ownership.

Managing File Ownership ...