At first sight, it seems easy to manage permissions in a Linux environment; after all, you have just three permissions to grant instead of the many permissions some other operating systems have! With a closer look, however, you will see that the system that was invented in the 1970s is only the foundation for a system that can be pretty complex. In this chapter, you'll get an overview of all the subjects relevant to permission management:
• Granting read, write, and execute
• Understanding the concept of ownership
• Working with advanced Linux permissions
• Setting permissions
• Working with access control lists for granular permission control
• Applying attributes to files and directories
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