Quiz 2
1. Which syntax performs process substitution?
2. Which operator converts a string to uppercase?
3. Which command starts a new process group?
4. How is a file descriptor associated for reading?
5. What does waiting for the PID $! achieve?
6. How is an array index retrieved?
7. What is an associative array?
8. Which command defines an associative array?
9. Which builtin removes an exported variable?
10. What does the type command reveal?
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