There are various ways you can access Powershell cmdlets and here are few I know about:
Launching the PS cmdlet with path from snap-in:
PS C:> get-command get-date | format-table -property commandtype, name,
pssnapin, module -autoCommandType Name pssnapin Module
----------- ---- -------- ------
Cmdlet Get-Date Microsoft.PowerShell.UtilityPS C:> Microsoft.PowerShell.Utilityget-date
Wednesday, March 09, 2011 7:43:09 PM
PS C:>
.