| 1. | What are system calls?
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| 2. | How does Perl make calls to the system?
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| 3. | What module is used to traverse a file system?
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| 4. | How to create and remove directories.
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| 5. | What is meant by the environment?
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| 6. | What is a process?
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| 7. | What do fork and exec accomplish?
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| 8. | Where can you find modules for Windows processes?
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| 9. | How does the system function differ from using command substitution (backquotes) when executing system commands?
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| 10. | What is globbing?
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| 11. | How does eval work with die?
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| 12. | What are signals?
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| 13. | How does Perl deal with signals?
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| 14. | How do you rename a file with Perl?
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| 15. | How do you remove a file with Perl?
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