On Wed, 2007-02-07 at 22:52 +0800, edwardspl@xxxxxxxxxx wrote: > Dear All, > > Is there a solution as the title ? > Eg : someone who knew the password of the user account, then he login > with the correct password and doing something ( modify / delete some > of important files ), after this, the user can't login to the server > next time... > > Edward. > An old joke is to put a .login file with the command "logoout". check it someone is practical joking. Regards, Les H