Amazon Simple Storage Service (S3) is an object storage service that provides scalability, data availability, security, and performance.S3 allows for infinite scalability and can store any quantity of data or objects.To create a pre-assigned URL for an S3 bucket in AWS, follow these steps: create a bucket, upload a file, and generate a pre-assigned URL.The pre-assigned URL can be used to share access to the uploaded file for a specified time interval.