Final answer:
The maximum upload size for a single object in Amazon S3 using the PUT operation is 5 TB (terabytes).
Step-by-step explanation:
The maximum upload size for a single object in Amazon S3 using the PUT operation is 5 TB (terabytes). This means that you can upload a single object of up to 5 terabytes in size. It is important to note that this is the maximum upload size for a single object, and you may encounter restrictions or limitations depending on your AWS account settings or the specific use case.