Rafael Quiroz Mego's Crossword Puzzle 2

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Across
  1. 2. What pattern element specifies characters only at the start of a line?
  2. 5. Which command displays the contents of a file in reverse order?
  3. 7. What metacharacter refers to your home directory?
  4. 8. What command displays the type of a file?
  5. 11. Which command lets you scroll up and down through a file using the arrow keys?
  6. 12. Which command allows you to view a large text file page-by-page on the terminal?
  7. 13. What command shows the current directory?
  8. 14. In Linux, what is the name of the structure used to organize files into folders?
  9. 16. What is the name for the process of using wildcards to match filenames?
  10. 17. What operating system is Linux modeled after?
  11. 18. Which grouping enables matching a certain number or range of repeats?
Down
  1. 1. What numeric base format does the default od command output use?
  2. 3. What type of file is used to store configuration information?
  3. 4. What type of file begins with a period and is not shown by default?
  4. 6. What symbol does ls -F use to mark executable files?
  5. 9. Which wildcard matches exactly one character?
  6. 10. Which command shows the first 10 lines of a file by default?
  7. 13. What character at the start of a filename makes it hidden in Linux?
  8. 15. Which command is used to safely display text characters found inside a binary file?
  9. 19. What word describes the top-level directory in both Windows and Linux filesystems?