Mastering Windows PowerShell Scripting - Second Edition

The Import-Module command

PowerShell 3 and more will attempt to automatically load modules if a command from that module is used and the module is under one of the paths in the %PSMODULEPATH% environment variable.

For example, if PowerShell is started and the PSDesiredStateConfiguration module is not imported, running the Get-DscResource command will cause the module to be imported. This is shown in the following example:

PS> Get-Module PSDesiredStateConfigurationPS> Get-DscResourcePS> Get-Module PSDesiredStateConfigurationModuleType Version Name                        ExportedCommands---------- ------- ----                        ---------------- Manifest   1.1     PSDesiredStateConfiguration ...

In the previous example, the first time Get-Module is executed, the PSDesiredStateConfiguration ...