Usage: ServerManagerCmd.exe Installs and removes roles, role services and features. Also displays the list of all roles, ...

Usage:
      
ServerManagerCmd.exe
Installs and removes roles, role services and features. Also displays the list 
of all roles, role services, and features available, and shows which are 
installed on this computer. For additional information about the roles, 
roles services, and features that you can specify using this tool, 
refer to the Help for Server Manager.