shred -u password.txt For development or testing purposes, consider environment variables or secure vaults provided by cloud services (e.g., AWS Secrets Manager, Google Cloud Secret Manager) for storing and retrieving sensitive data. Conclusion While a password.txt file might seem like an easy solution for storing passwords, it's fraught with risks. When dealing with sensitive information, consider more secure alternatives. If you do use such a file, ensure you follow best practices to minimize risk.