how to remove system environment variable by using batch file

Question

I need to remove system variables from client workstation and my clients are 500+ so I want to provide batch file to user to run himself to delete the system variables.

Answer 1

get info about environment variables:

%> reg query "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"

and delete the one you want with

%> reg delete /f /va "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"\XYZ

Answer 2

duplicate of question: I need to remove system variables from cleint workstation and my clients are 500+ so I want to provide batch file to user to run himself to delete the system variables. in WINXP.

i provided an answer there.

Answer 3

set variablename=

http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/ntcmds%5Fshelloverview.mspx?mfr=true

Answer 4

Will do for 1 dollar per user plus time ;) Why not just tell your boss you are inept and need to reply on the internet to do your job?