First of all, this post is for me, and for things I do a lot, if you’re trying to figure out if aws-cli is for you or not, checkout the official documention for aws-cli .
aws s3 help
Show all objects/buckets
aws s3 ls
2021-05-26 17:12:20 my-unique-bucket-05262021
Show all objects in a bucket
aws s3 ls my-unique-bucket-05262021
2021-07-16 11:49:32 3071344 ImageOptim.tbz2
Upload a local file up to s3
aws s3 cp ImageOptim.tbz2 s3://my-unique-bucket-05262021
Create a URL that someone can use to download said file
aws s3 presign my-unique-bucket-05262021/ImageOptim.tbz2 --expires-in 1209600
You should be able to Download, if today is within two weeks of the day I issued this command.