vCenter Server and Host Management describes how to start and stop the VMware® vSphere Client components, build your vSphere environment, monitor and manage the information generated about the components, and set up roles and permissions for users and groups using the vSphere environment.
In addition, vCenter Server and Host Management provides brief introductions to the various tasks you can perform within the system as well as cross-references to the documentation that describes all the tasks in detail.
vCenter Server and Host Management covers ESXi and vCenter Server.