Listar información con PowerShell

Listar content databases y su tamaño (en MB), ordenadas por tamaño
Get-SPDatabase | Sort-Object disksizerequired -desc | Format-Table Name, @{Label ="Size in MB"; Expression = {$_.disksizerequired/1024/1024}}

Listar site collections y sus tamaños
Get-SPSite | select url, @{label="Size in MB";Expression={$_.usage.storage/1MB}} | Sort-Object -Descending -Property "Size in MB" | Format-Table –AutoSize

Listar site collections por content database
Get-SPContentDatabase | %{Write-Output "- $($_.Name)”; foreach($site in $_.sites){write-Output $site.url}}

Listar solutions deployadas en una webapplication específica
Get-SPSolution | ForEach-Object {if ($_.LastOperationDetails.IndexOf("http://webapp") -gt 0) {$_.DisPlayName}}

Listar features activadas a nivel site collection
Get-SPFeature -Site http://sitecollectionurl | Sort DisplayName | FT DisplayName,Id

Listar features activadas a nivel web
Get-SPSite http://sitecollectionurl | Get-SPWeb -Limit ALL | %{ Get-SPFeature -Web $_ } | Sort DisplayName -Unique | FT DisplayName,Id