Linux Command Line

  1. Permissions and Ownership
    1. Understanding File Permissions
      1. Permission Types
        1. Read Permission
          1. Write Permission
            1. Execute Permission
            2. Permission Groups
              1. User (Owner)
                1. Group
                  1. Other
                  2. Interpreting Permission Strings
                    1. File Types in Permission Strings
                    2. Modifying Permissions
                      1. Change Mode (chmod)
                        1. Symbolic Method
                          1. Octal Method
                            1. Recursive Permission Changes
                          2. Understanding Ownership
                            1. User Owner
                              1. Group Owner
                                1. Viewing Ownership
                                2. Modifying Ownership
                                  1. Change Owner (chown)
                                    1. Changing User Owner
                                      1. Changing Group Owner
                                        1. Recursive Ownership Changes
                                        2. Change Group (chgrp)
                                        3. Default Permissions
                                          1. User Mask (umask)
                                            1. Viewing Current umask
                                              1. Setting umask
                                                1. Calculating Default Permissions

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                                            4. Viewing and Editing Files

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                                            6. Process Management