How to sync s3 bucket to local folder and vice versa

 run

aws configure

and give it required details

My bucket name is bucketofsangramdesai and my local folder is /home/sangram/Documents/developement/s3syncfolder

copes from s3 bucket to local folder

aws s3 sync s3://bucketofsangramdesai /home/sangram/Documents/developement/s3syncfolder

copies from local folder to s3 bucket:

aws s3 sync /home/sangram/Documents/developement/s3syncfolder s3://bucketofsangramdesai/