http://blogs.technet.com/brad_rutkowski/archive/2007/04/12/need-an-easy-way-to-create-a-unique-file-name-with-the-time-date.aspxI needed to dump winlogon and do some checks against the dump file and needed and easy way to get the computername and date in the file name and formatted so I could easily perfrom next steps. Here was the soution: C:\Debuggers>echo %computername%_%DATE:~10,4%.%DATE:~4,2%.%DATE:~7,2%enCommunityServer 2.1 SP1 (Build: 61025.2)