amazon web services is very large topicand there are various books exclusively available which cover aws entirely the purpose of this is to give you an overall impression of what is available and what is possible with aws in the practical spirit of this bookwe do this by working through examplesbut we will not exhaust all possibilities creating your first machines the first step is to go to steps are similar to any other online service if you want to have more than single low-powered machineyou will need credit card in this examplewe will use few machinesso it may cost you few dollars if you want to run through it if you are not ready to take out credit card just yetyou can certainly read the to learn what aws provides without going through the examples then you can make more informed decision on whether to sign up once you sign up for aws and log inyou will be taken to the console here you will see the many services that aws provides