IntroToLinux

Review Questions

  1. What’s the difference between a shell variable and an environment variable?
  2. How do you view all environment variables?
  3. What does the PATH variable do?
  4. How do you make a variable available to child processes?
  5. What shortcut repeats the last command?
  6. How do you search through command history interactively?

  7. Where would you put permanent environment variable definitions?

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