Object Manager
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Object Manager (internally called Ob) is a special subsystem implemented as part of Windows Executive which manages Windows resources. Each resource, which are surfaced as logical objects, reside in a namespace for categorization. Resources can be physical devices, files or folders on volumes, Registry entries or even running processes. All objects representing resources has an Object Type
property and other metadata about the resource. Object Manager is a shared resource, and all subsystems that deal with the resources have to pass through the Object Manager.