Pipes, Redirection, and Regex with Cisco Network Academy (Linux Essentials)

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Completing the “NDG Linux Essentials – Challenge Lab D: Pipes, Redirection, and REGEX” demonstrates several important skills:

1. Command Line Proficiency: Using Linux command line tools effectively, including pipes, redirection, and control statements.

2. Text Processing: Extracting specific information from a file using commands like grep, awk, sed, and cut.

3. Sorting and Uniqueness: Sorting data alphabetically and removing duplicates using commands like sort and uniq.

4. Regular Expressions (REGEX): Utilizing regular expressions to match patterns and filter out unwanted lines (e.g., comments and blank lines).

5. File Management: Redirecting output to a file and ensuring the final output meets specified criteria.

6. Conditional Execution: Using conditional commands (e.g., &&) to ensure subsequent commands execute only if previous commands are successful.

7. Problem-solving: Developing a solution that meets the requirements without intermediary files.

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