Variables in Batch Files and Commands

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REF
———
http://www.computing.net/answers/programming/batch-script-for-setting-up/12506.html 

http://www.msfn.org/board/topic/37472-username-in-batch-file/

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EXAMPLES
———
Test the following by typing
ECHO %username%
, etc at the command prompt

%username%

%computername%

%systemroot%

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APPLIES TO / KEYWORDS
———
Microsoft DOS
MS-DOS
Batch
Commands
Variables

—
http://www.anysitesupport.com/variables-in-batch-files-and-commands/