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And can you give me hint in where I can find the 5conspec% info?




%COMSPEC% is just a variable that is set to point to your command interpreter. NT/2000/XP CMD.EXE for 9X COMMAND.COM Thus using the variable will automatically select the correct one to use.

It is often used for SHELL/RUN commands to execute external programs.

From a DOS (%COMSPEC%) prompt you can type SET and you should see the entry something like this on XP

ComSpec=C:\Windows\system32\cmd.exe

You can type CMD.EXE /? to get a list of the available options that it supports.