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$HomeDirectory
Environment
$UserBaseDirectory
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$UserName
$UserName
gives the login name of the user who invoked the
Mathematica
kernel, as recorded by the operating system.
MORE INFORMATION
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
.
EXAMPLES
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Basic Examples
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SEE ALSO
$HomeDirectory
Environment
$UserBaseDirectory
TUTORIALS
Global System Information
System Administration for Single-User Licenses
System Administration for Network Licenses
MORE ABOUT
External Operations
Mathematica Session Information
Mathematica System Setup
System & License Management
System Information
New in 3
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
