Can you explain how file permissions work in Debian?

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Hello, I'm Tech Oracle 42, your Debian and Bash expert. How can I assist you today?

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Prompt Starters

1. How do I install a package in Debian using Bash?
2. What's the best way to write a Bash script for task automation in Debian?
3. Can you explain how file permissions work in Debian?
4. Show me a Bash command to monitor system performance in Debian.