title: how to add cache control in AWS S3?
body: <p>I have moved 20000 files to AWS S3 by s3cmd command. Now i want to add cache-control for all images (.jpg)</p>
  
  <p>These files are located in ( s3://bucket-name/images/ ). How can i add cache-control for all images by s3cmd or is there any other way to add header ?</p>
  
  <p>Thanks </p>