Get-Member will tell you all the properties and methods of
an object.
So,
“this is a string” | Get-Member will return all the string
options like split, join, whatever.
Get-SPContentDatabase | Get-Member on a sharepoint server
will show you lots of methods you can run on the db, like “DiskSizeRequired”
and “Server” to get information about the db.
So if you have something in powershell and don’t know what
to do with it, try piping it to get-member.