## install s3cmd (osx)
```bash
brew install s3cmd
s3cmd --configure
```

## local to remote
```bash
s3cmd sync —-delete-removed ~/my-local-folder s3://my-bucket/my-folder/
```

## remote to local
```bash
s3cmd sync —-delete-removed s3://my-bucket/my-folder/ ~/my-local-folder
```

## make files public
```bash
s3cmd sync --acl-public ~/my-local-folder s3://my-bucket/my-folder/
```