In article <1990Sep20.153105.28394 at naitc.naitc.com> karl at bbs.naitc.com (Karl Denninger) writes: > Without source code to "vi" there is NO WAY to prevent this. Believe me. adb -w /bin/vi Just zap the "/bin/sh" and the name of the "shell" variable. -- Peter da Silva. `-_-' +1 713 274 5180. 'U` peter at ferranti.com