Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
If you’re distributing apps for sale to end users, the process is fairly straightforward. You sign up for an iOS developer account, create a development provisioning profile, build your app and test it on devices set up for debugging, create a distribution provisioning profile, build and archive your app, and upload it to the store.
This model works well for consumer products developed by an individual or small group, but there are other ways to do things that will assist you when developing applications in the enterprise.