• Interactive mode is where fsck scans the file system and, at each error, prompts the user to correct or continue without making changes to the file system.
• Noninteractive mode allows fsck to run and repair all problems it finds automatically without user input.

On a Windows-based system, the equivalent utility is called chkdsk.

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fsck - Linux Man Page
Fsck is used to check and optionally repair one or more Linux file systems.

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Webopedia's Quick Reference Section
Use this Webopedia reference section for information on common Internet and computer facts and occurrences.