The following mb command creates a bucket. In this example, the user makes the bucket mybucket. The bucket is created in the region specified in the user's configuration file:

aws s3 mb s3://mybucket

Output:

make_bucket: mybucket

The following mb command creates a bucket in a region specified by the --region parameter. In this example, the user makes the bucket mybucket in the region us-west-1:

aws s3 mb s3://mybucket --region us-west-1

Output:

make_bucket: mybucket