The RedHat Objectives published at https://www.redhat.com/en/services/training/ex294-red-hat-certified-engineer-rhce-exam-red-hat-enterprise-linux-8?section=Objectives

  • Understand and use essential tools

System Documentation

Linux documentation  is your friend  during the exam some of the commands you can use to view the documentation :

  1. MAN

2. INFO

3.

  • Operate running systems

  • Configure local storage

  • Create and configure file systems

  • Deploy, configure, and maintain systems

  • Manage users and groups

  • Manage security