WHOAMI: Getting Information About the Current User

The WHOAMI command gives you information about the user who is currently logged on to the computer:

WHOAMI [/UPN | /FQDN | LOGONID] [/USER | /GROUPS | /CLAIMS | /PRIV] [/ALL] [/FO Format]

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You probably won’t use this command often on the Windows 8 computer because you’ll almost always be logged on as administrator. However, WHOAMI is useful when you’re working on a client computer and you’re not sure who is currently logged on.

For example, the following command redirects the current user’s SID, username, groups, and privileges to a file named whoami.txt using the list format:

whoami /all /fo ...

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