"Linux Permissions Masterclass – From Basics to Practice, Security, and Service Operations"

Learn about Permission, the most fundamental and important concept in Linux. This course covers everything from the basic structure of permissions that even beginners can understand, to special permissions (Set-UID, Set-GID, Sticky-bit) and ACL (Access Control List) that practitioners must know, step by step. Beginners can accurately understand the principles of permissions, and practitioners can acquire know-how for safe permission settings and management in actual server operations. File and directory permission control is the starting point of Linux security. Master the entire process of permission management with this one course!