hello everybody! I have a network consists of many computers (PC 1000) is a computer system is using my system in Ubuntu 9.04, my computer system has some problems logging as follows : when a user account then log in to use a period after the other user (not admin) can not log in anymore, i have to use cunning and admin login to delete files information that the user before leaving for the new system to log, I found it very annoying when blessed to work manually with a number of computers many to fin, please ask how do the machines calculated automatically delete the files there? if there help me please how to do it! thanks!