Syllabus

Text-Fu Interactive Lessons

  1. 1stdout (Standard Out)
  2. 2stdin (Standard In)
  3. 3stderr (Standard Error)
  4. 4pipe and tee
  5. 5env (Environment)
  6. 6cut
  7. 7paste
  8. 8head
  9. 9tail
  10. 10expand and unexpand
  11. 11join and split
  12. 12sort
  13. 13tr (Translate)
  14. 14uniq (Unique)
  15. 15wc and nl
  16. 16grep

Before you begin

Frequently Asked Questions

What will I learn in Text-Fu?

You will learn to search, filter, transform, combine, and redirect text with tools such as grep, cut, sort, uniq, tr, head, tail, and tee.

Should I complete the Command Line course first?

Yes. Familiarity with files, directories, and basic shell commands will make the text-processing examples easier to understand.

Why are pipes and redirection important?

They let you connect small commands into repeatable workflows, control input and output, and process data without opening a graphical editor.

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