How to tell what username I am logged in as on Windows 7

Jeremy is correct whoami is one of the best ways to verify your login information. It has several flags that get the information in different ways.

  1. WhoAmI has three ways of working: 
  2.  
  3. Syntax 1: 
  4. WHOAMI [/UPN | /FQDN | /LOGONID] 
  5.  
  6. Syntax 2: 
  7. WHOAMI { [/USER] [/GROUPS] [/PRIV] } [/FO format] [/NH] 
  8.  
  9. Syntax 3: 
  10. WHOAMI /ALL [/FO format] [/NH] 
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  12. Description: 
  13. This