[quote]When running from the MSDOS prompt, you must set the following environment variables, eg in your autoexec.bat: (Restart the system if you set these variables for the first time).
set TEMP=c:\temp
set HOME=c:\your top directory
set TMPDIR=c:\temp
set ROOTSYS=c:\root (the directory where you installed Root)
set PATH=%PATH%;%ROOTSYS%\bin[/quote]