PowerShell for SQL Server Essentials

Snap-ins and modules

You can extend PowerShell by loading snap-ins and modules. Snap-ins or PSSnapins are dynamic linked library (DLLs) compiled from .NET code, which may contain additional cmdlets and PSProvider. The PSSnapins are old school—they are primarily how you extend version 1, but still supported in version 2, version 3, and version 4. Although considered old school, you can still create snap-ins. Refer to http://msdn.microsoft.com/en-us/library/ms714450(v=vs.85).aspx on how to do this.

The related snap-in cmdlets are as follows:

• Add-PSSnapin
• Get-PSSnapin
• Remove-PSSnapin

Instead of snap-ins, the recommended way of extending the PowerShell functionality from version 2 onwards is using modules. Modules are similar to snap-ins when it comes ...