I used to be a happy s3cmd user. However recently when I try to transfer a large zip file (~7Gig) to Amazon S3, I am getting this error:
$> s3cmd put thef
s3cmd 1.0.0 does not support multi-part yet. I tried 1.1.0-beta and it works just fine. You can read about the new features here: http://s3tools.org/s3cmd-110b2-released