6. File System Permissions
Security Principles:
- Linux is very secure by design
- Users can only create/modify files in their home directory
- System-wide changes require administrator (root) privileges
- Everything else is read-only for regular users
Permission Levels:
- Read (r): View file contents or list directory
- Write (w): Modify file or create/delete files in directory
-
Execute (x): Run file as program or enter directory
Navigation
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Course Home: ⌂ Introduction to Linux