s3fs is a FUSE file system that allows you to mount an Amazon S3 bucket as a local file system. It stores files natively and transparently in S3 (i.e., you can use other programs to access the same files). Maximum file size=64GB (limited by s3fs, not Amazon). . s3fs is stable and is being used in number of production environments, e.g., rsync backup to s3.

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