A central hierarchical database used in Microsoft Windows, used to store information that is necessary to configure the system for one or more users, applications and hardware devices.
The Registry contains information that Windows continually references during operation, such as profiles for each user, the applications installed on the computer and the types of documents that each can create, property sheet settings for folders and application icons, what hardware exists on the system, and the ports that are being used.
A registry hive is a group of keys, subkeys, and values in the registry that has a set of supporting files that contain backups of its data

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Retrieving a Specific Item

The Get-Item cmdlet makes it easy to retrieve a specific item (such as a file, a folder, or a registry key). Why would you want to do that? Well, for one thing, it makes it very easy to retrieve the properties of those items. For example, suppose you’d like to know the last time someone accessed the C:\scripts folder. Here’s a command that will retrieve that information:

  In essence, we’re using Get-Item to create an object reference to C:\Scripts. That’s the reason for the unusual syntax: the command itself – Get-Item c:\scripts – is enclosed in parentheses, with a […]

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