There are more than 600 cmdlets in the set available to Exchange 2010 SP1, but you’re not likely to use the vast majority of these simply because many are designed for one-time use. For example, after you configure a receive connector, you’re probably not going to revisit the Set-ReceiveConnector cmdlet very often once the connector is working. On the other hand, there are cmdlets such as Get-Mailbox that you’ll use daily. Some examples (in no particular order) of frequently used Exchange cmdlets include the following:
Get-ExchangeServer Return a list of Exchange servers in the organization
Disable-Mailbox Disable a user’s mailbox
Add-DistributionGroupMember Add a new member to a distribution group
Set-Mailbox Set a property of a user’s ...