> Theoretically if Borgbackup or Duplicity are backing up to S3 they're using all the same commands as the S3 CLI/SDK.
They are not. Both Borg and Duplicity pack files into compressed, encrypted archives before uploading them to S3; "s3 sync" literally just uploads each file as an object with no additional processing.
They are not. Both Borg and Duplicity pack files into compressed, encrypted archives before uploading them to S3; "s3 sync" literally just uploads each file as an object with no additional processing.