Generate proxy file using CrmSvcUtil.exe from command prompt

Generate proxy file using CrmSvcUtil.exe from command prompt sample.
try below command in cmd

C:\Program Files\Microsoft Dynamics CRM\Tools>CrmSvcUtil.exe /url:http://dynamics/ABCdev/XRMServices/2011/Organization.svc /domain:SP /username:murthy /password:xxxxx  /out:c:\CRMSamples\Xrm.cs /namespace:Microsoft.Crm.Sdk.Samples /serviceContextName:XrmServiceContext