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. Networking
    1. Basic Connectivity
      1. Ping Command
        1. Testing Network Connectivity
          1. Common Options
          2. Traceroute Command
            1. Tracing Network Paths
              1. Interpreting Output
            2. Network Configuration
              1. IP Address Management
                1. Viewing IP Addresses
                  1. Configuring IP Addresses
                  2. Legacy Interface Configuration (ifconfig)
                    1. Route Management
                      1. Viewing Routes
                        1. Configuring Routes
                        2. Legacy Route Command
                          1. Viewing Network Interfaces
                          2. Network Services
                            1. Network Statistics (netstat)
                              1. Viewing Open Ports
                                1. Viewing Connections
                                  1. Displaying Routing Tables
                                  2. Socket Statistics (ss)
                                    1. Viewing Socket Information
                                  3. Remote Access
                                    1. Secure Shell (ssh)
                                      1. Connecting to Remote Systems
                                        1. Key-Based Authentication
                                          1. Port Forwarding
                                          2. Secure Copy (scp)
                                            1. Copying Files Between Systems
                                            2. Secure File Transfer Protocol (sftp)
                                              1. Interactive File Transfer
                                            3. Data Transfer
                                              1. Web Get (wget)
                                                1. Downloading Files from Web
                                                  1. Recursive Downloads
                                                  2. Client URL (curl)
                                                    1. Downloading Data
                                                      1. Uploading Data
                                                        1. Sending HTTP Requests

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                                                    9. System Information and Administration

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                                                    11. Archiving and Compression

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