



How do you change the owner and group of a file, and why might you need to do this in relation to chmod?
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what is chmod
- File ownership determines who is considered the 'user' ('u') when setting permissions with chmod.
- Auditing database access and permission changes.
- Trying to perform actions that should be allowed or denied based on the permissions.
- Carefully validating and sanitizing all user-supplied file paths to prevent path traversal attacks.
- How do log files and system logs relate to file permissions?
- Incorrectly using symbolic or octal modes.
- What are the best practices for setting file permissions using chmod?
- Analyzing permission changes can provide valuable forensic information about attacker activity.
- What are the numeric values for read, write, and execute permissions?
- How does 'umask' affect the permissions of newly created files and directories?
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