Mathematica > Systems Interfaces & Deployment > Mathematica System Setup > System Information > $UserName
BUILT-IN MATHEMATICA SYMBOL

$UserName

$UserName
gives the login name of the user who invoked the Mathematica kernel, as recorded by the operating system.

DetailsDetails

  • On Unix and similar operating systems, $UserName is derived from the UID associated with the Mathematica kernel process.
  • On operating systems where no login name can be found, $UserName is None.
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