That was an active philisophical decision to not implement the GNU su that way. According to Free as In Freedom, Stallman had many ethical problems with the password implementation. The weakened security of su was intentional.
You'd think there'd be a wheel-style su for GNU/Linux on Sourceforge somewhere, but I don't know. > Dave, > > Does have advantages, I just wish I could set Linux up to do su like > FreeBSD does. ONLY the users put into group wheel can su to root. > period. access to files is determined by the groups you are in. If > wwww is the group for you web server and you aren't in www you can't see > or change those files... Makes group management a bit more tricky and > probably isn't very user friendly for a desktop. But on a server with > 100's of users limiting those who can go to root to 1 or 2 makes > security a lot easier to manage. > > James
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