Red Hat System Administrator: File Permissions and Ownership

Linux file permissions are critical for safeguarding data and controlling access within multi-user systems, an essential skill for every aspiring system administrator.In this course, explore the fundamentals of read, write, and execute permissions and how to interpret them using ls -l. Next, learn how to manage access with chmod, chown, and chgrp, and configure special permissions like SUID, SGID, and the Sticky Bit. Finally, examine default behaviors with umask and how to apply security best practices to avoid common misconfigurations.This course is part of a series that prepares learners for the Red Hat Certified System Administrator (RHCSA) exam (EX200). In the spirit of exploring the possibilities of generative AI, this course narration was created using AI text-to-speech services.