AWS S3 Amazon Simple Storage Service (S3) provides scalable object storage with industry-leading durability (99.999999999%). S3 is fundamental to AWS—used for data lakes, backups, static websites, and as storage for many other AWS services. Table of Contents - Core Concepts - Common Patterns - CLI Reference - Best Practices - Troubleshooting - References Core Concepts Buckets Containers for objects. Bucket names are globally unique across all AWS accounts. Objects Files stored in S3, consisting of data, metadata, and a unique key (path). Maximum size: 5 TB. Storage Classes | Class | Use Case…