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How do you copy a file from one S3 location to another S3 location?

🟢 Easy Conceptual Junior level
1Times asked
May 2026Last seen
May 2026First seen

💡 Model Answer

To copy a file from one S3 location to another, you can use the AWS CLI command aws s3 cp s3://source-bucket/path/file.txt s3://dest-bucket/path/file.txt. This copies the object and preserves its metadata. Alternatively, use the S3 CopyObject API via SDKs, specifying the CopySource and destination bucket/key. For large objects, consider multipart copy or S3 Transfer Acceleration. You can also set ACLs with the --acl flag or use the aws s3api copy-object command for more control.

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