3. Upload on S3
aws s3 cp SOURCE s3://DEST
if you want to upload whole folder then using following command
aws s3 cp SOURCE s3://DEST--recursive
[ If above command throws error then, Look for the pwd
and attach it before aws. (Ex. usr/bin/aws s3 cp SOURCE s3://DEST)]
4. Download from S3
aws s3 sync s3://SOURCE .