Linux Command Line

  1. Viewing and Editing Files
    1. Viewing File Contents
      1. Concatenate and Display (cat)
        1. Basic Usage
          1. Concatenating Multiple Files
          2. Paginated Viewing (less)
            1. Searching in less
            2. Paginated Viewing (more)
              1. View Beginning of File (head)
                1. Basic Usage
                  1. Specifying Number of Lines
                  2. View End of File (tail)
                    1. Basic Usage
                      1. Specifying Number of Lines
                        1. Following File Changes
                      2. Command Line Text Editors
                        1. Nano Editor
                          1. Basic Navigation
                            1. Basic Editing
                              1. Saving Files
                                1. Exiting Editor
                                2. Vim Editor
                                  1. Vim Modes
                                    1. Basic Navigation
                                      1. Basic Editing
                                        1. Saving Files
                                          1. Exiting Editor
                                          2. Emacs Editor
                                            1. Basic Navigation
                                              1. Basic Editing
                                                1. Saving Files
                                                  1. Exiting Editor
                                                  2. Choosing an Editor

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                                                3. Working with Files and Directories

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                                                5. Permissions and Ownership