Support for each of the *-Item commands varies from one provider to another. The filesystem provider supports all of the commands, while the Registry provider supports a smaller number.
Items
Testing for existing items
The Test-Path command may be used to test for the existence of a specific item under a drive:
Test-Path HKLM:\Software\Publisher
Test-path distinguishes between item types with the PathType parameter. The container and leaf terms are used across providers to broadly classify items.
When working with the filesystem, a container is a directory (or folder) and a leaf is a file. In the registry, a key is a container and there are no leaves. In a certificate provider, a store or store location is a container and...
