Amazon S3 Files Explained (2026): How to Mount S3 Bucket as File System (Step-by-Step)
AWS has introduced a major update to Amazon S3 — you can now mount your S3 bucket like a file system. This new capability, called S3 Files , changes how developers and data teams interact with storage on AWS. For years, S3 was known only as object storage. Now, it behaves much closer to a traditional file system, making it easier to work with existing tools and applications. What is Amazon S3 Files? S3 Files allows you to mount your S3 bucket as if it were a local disk on services like EC2, ECS, EKS, or Lambda. Once mounted, you can use standard file operations such as listing directories, reading files, or writing new data without any special APIs. This means developers no longer need to think in terms of objects and keys. Instead, they can simply work with files and folders, just like they would on a normal Linux system. Why This Matters Earlier, AWS storage worked like this: Amazon S3 → Cheap, scalable object storage Amazon EFS → File system for applications 👉 You had to ...