Configure AWS profile using below command

aws configure

– it will ask you to provide below things

Access key ID
Secret access key
Region
Format

Sync AWS S3 from your local files using above command

aws s3 sync /var/www/pattofiles/ s3://bucketname

Sync from AWS S3 to your local directory

aws s3 sync s3://bucketname /var/www/pattofiles/