Tool Groupings: Linux Pocket Hand Book

Question 1

File text manipulation

Answer 1

• grep
• cut
• paste
• tr
• expand, unexpand
• sort
• uniq
• tee

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• grep
  
  • Find lines in a file that match a regular expression
• cut
  
  • Extract columns from a file
• paste
  
  • Append columns
• tr
  
  • Translate characters into other characters
• expand, unexpand
  
  • Covert between tabs and spaces
• sort
  
  • Sort lines of text by various criteria
• uniq
  
  • Locate identical lines in a file
• tee
  
  • Copy a file and print it on standard output, simultaneously