IntroToLinux

Review Questions

  1. What’s the difference between single and double quotes?
  2. How do you create a permanent alias?
  3. What does the && operator do?
  4. How do you run a command in the background?
  5. What does $? contain?
  6. How do you check if a command exists before using it?
  7. How do you escape a special character in a string?

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