Question: What would be the command to sort the file /tmp/car_info.txt by the 3 rd column? What would be the command to find the number of

  1. What would be the command to sort the file /tmp/car_info.txt by the 3rd column?
  2. What would be the command to find the number of lines in the file /tmp/car_info.txt?
  3. What are the differences between a hard link and a soft link?
  4. What command would you use to create a soft link called mylinkfile to the real file the_real_file.txt?

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