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| ec2din | Describe instances. |
| ec2stop.instances | Stop selected running instances. |
| ec2stop.reservation | Stop or terminate all the instances in a reservation. |
| ec2terminate.instances | Stop selected running instances. |
| ec2terminate.reservation | Stop or terminate all the instances in a reservation. |
| s3.del | Run S3 commands from R. |
| s3.du | Run S3 commands from R. |
| s3.get | Run S3 commands from R. |
| s3.info | Run S3 commands from R. |
| s3.la | Run S3 commands from R. |
| s3.ls | Run S3 commands from R. |
| s3.mb | Run S3 commands from R. |
| s3.put | Run S3 commands from R. |
| s3.rb | Run S3 commands from R. |
| startCluster | Start an EC2 cluster. |
| stopCluster | Stop or terminate instances in a cluster. |
| terminateCluster | Stop or terminate instances in a cluster. |