Red Hat RHCSA 8 Cert Guide: EX200, 2nd Edition

Chapter 7

Permissions Management

The following topics are covered in this chapter:

• Managing File Ownership

• Managing Basic Permissions

• Managing Advanced Permissions

• Managing ACLs

• Setting Default Permissions with umask

• Working with User-Extended Attributes

The following RHCSA exam objectives are covered in this chapter:

• List, set, and change standard ugo/rwx permissions

• Create and configure set-GID directories for collaboration

• Create and manage access control lists

• Diagnose and correct file permission problems

To get access to files on Linux, you use permissions. These permissions are assigned to three entities: the file owner, the group owner, and the others entity (which is everybody else). In this chapter, you learn how to apply permissions. ...