Linux Administration

  1. File Permissions and Ownership
    1. The Linux Permission Model
      1. Permission Types
        1. Read
          1. Write
            1. Execute
            2. Permission Classes
              1. User
                1. Group
                  1. Other
                  2. Default Permissions (umask)
                  3. Viewing and Modifying Permissions
                    1. Listing Permissions
                      1. Changing Permissions
                        1. Symbolic Notation
                          1. Octal Notation
                          2. Recursively Changing Permissions
                          3. Changing File Ownership
                            1. Changing Owner
                              1. Changing Group
                                1. Recursive Ownership Changes
                                2. Special Permissions
                                  1. SUID (Set User ID)
                                    1. SGID (Set Group ID)
                                      1. Sticky Bit
                                        1. Use Cases and Security Implications
                                        2. Access Control Lists (ACLs)
                                          1. Purpose and Use Cases
                                            1. Viewing ACLs
                                              1. Setting ACLs
                                                1. Removing ACLs

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                                              3. User and Group Management

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                                              5. Process Management