How do you get a list of snap-ins?
Get-PSSnapin -registered
How do you get a list of modules?
Get-Module -listAvailable
How do you add a snap-in?
Add-PSSnapin
How do you add a module?
Import-Module moduleName
How do you find available commands for a module?
Get-Command -module moduleName *Make sure it is imported first*
How do you find available commands for a snap-in?
Get-Command -module snap-inName *Make sure it is added first*