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Modify user password expiration in Linux

Most Linux distributions set a default password expiration period, typically between 45 and 90 days. This means users are prompted to change their passwords within that time frame.

However, there might be situations where you'd want to deviate from this default behavior. For example:

Servicing Accounts: Accounts used for automated tasks or services might need uninterrupted access without password resets.
System Accounts: Administrative accounts with unique authentication methods might not require frequent password changes.
User Convenience: In specific cases, prioritizing user convenience over strict password expiration might be acceptable.

This article explores ways to modify password expiration behavior for such scenarios. It's essential to carefully consider the security implications and best practices before making any changes.

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