Exchange Management Shell reference

This appendix provides additional information related to the Exchange Management Shell (EMS). You can use this section as a reference to find commonly-used automatic shell variables and type accelerators, along with a list of commonly-used EMS scripts that are installed with Exchange 2013. Additionally, common filterable properties supported by EMS cmdlets that include filter parameters are outlined in detail.

Commonly-used shell variables

PowerShell and the Exchange Management Shell provide several automatic variables. The following table provides a list of commonly-used automatic variables with a description for each one:

Variable Name	Description
$$	This contains the last token in the last command received.
$?	This contains the execution status of the last command.
$^	This contains the first token in the last command received.
$_	This contains the current object being processed within a pipeline.
$Args	This contains an array of...