From: gregarican Date: 2005-07-19T04:00:55+09:00 Subject: Re: windows - How to propagate environment variables to the system armin wrote: > Try this: > set foo="34" in one command prompt > > > open a new comand prompt > type > set > foo will not show up. Oh sorry. Didn't see that you wanted these environmental variable to persist between separate NTVDM shells. Michael's advice regarding the registry.rb is on target...