AWS(Amazon Web Services) is one of the first best public cloud service provider. It has grown to such an extent that now cloud is very much synonymous to aws. One of the reasons for its popularity is the easy to use web interface and the wide range of services offered.
Apart from the easy to use web interface, they also provide a command line based tool to access different services. This is a handy tool, that can be used to automate, trigger some events, and do things in aws cloud from a linux cli. Basically services like EC2 (create instances, stop instances etc), S3 (store and retrieve files), cloudwatch monitoring, elastic load balancing, autoscaling, and many more can all be accessed using this cli tool. It is called AWS CLI.
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