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Bluemix also provides middleware services for your applications to use. Bluemix acts on the application’s behalf when it provisions new service instances, and then binds those services to the application. Your app can perform its real job, leaving the management of the services to the infrastructure. In general, you don’t have to worry about the operating system and infrastructure layers when running applications on Bluemix. Layers such as root filesystems and middleware components are abstracted so that you can focus on your application code. However, you can learn more about these layers if you need specifics on where your app is running. See Viewing Bluemix infrastructure layers for details.