Useful Links
1. Introduction to the Command Line
2. Navigating the Filesystem
3. Working with Files and Directories
4. Viewing and Editing Files
5. Permissions and Ownership
6. Process Management
7. Input/Output Redirection and Pipes
8. Searching and Text Processing
9. System Information and Administration
10. Networking
11. Archiving and Compression
12. Shell Environment and Customization
13. Introduction to Shell Scripting
  1. Computer Science
  2. Operating Systems
  3. Linux

Linux Command Line

1. Introduction to the Command Line
2. Navigating the Filesystem
3. Working with Files and Directories
4. Viewing and Editing Files
5. Permissions and Ownership
6. Process Management
7. Input/Output Redirection and Pipes
8. Searching and Text Processing
9. System Information and Administration
10. Networking
11. Archiving and Compression
12. Shell Environment and Customization
13. Introduction to Shell Scripting
  1. Working with Files and Directories
    1. Creating Files and Directories
      1. Creating Empty Files (touch)
        1. Creating Single Files
          1. Creating Multiple Files
            1. Updating Timestamps
            2. Creating Directories (mkdir)
              1. Creating Single Directories
                1. Creating Multiple Directories
                  1. Creating Parent Directories
                2. Copying Files and Directories
                  1. Copy Command (cp)
                    1. Copying Files
                      1. Copying Directories
                        1. Recursive Copying Option
                          1. Interactive Copying Option
                            1. Update Option
                          2. Moving and Renaming
                            1. Move Command (mv)
                              1. Moving Files
                                1. Moving Directories
                                  1. Renaming Files
                                    1. Renaming Directories
                                      1. Interactive Moving Option
                                    2. Deleting Files and Directories
                                      1. Remove Files (rm)
                                        1. Deleting Single Files
                                          1. Deleting Multiple Files
                                            1. Interactive Deletion Option
                                              1. Recursive Deletion Option
                                                1. Force Deletion Option
                                                2. Remove Empty Directories (rmdir)
                                                  1. Basic Usage
                                                    1. Differences from rm -r
                                                  2. Wildcards and Globbing
                                                    1. Overview of Globbing
                                                      1. Asterisk Wildcard (*)
                                                        1. Question Mark Wildcard (?)
                                                          1. Bracket Expressions ([])
                                                            1. Escaping Wildcards
                                                              1. Using Wildcards with Commands

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                                                            2. Navigating the Filesystem

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                                                            4. Viewing and Editing Files

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