What do you know, Vista finally has a whoami.exe - you do know the whoami from Unix/Linux, right? Type in “whoami” (without the quotes of course) in a command prompt to launch this. It shows you all the user and group information in addition to SID details, privileges access tokens, etc. Pretty cool and handy especially when trying to debug applications and security related issues.

Below is a screen-shot of the output of this dumped to a text file (click the image to see it in full size).

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And yes, I do understand the irony about ÎÜñ|‹ø\/\/ñ and “who am I”