Le 27/02/2015 16:01, m.roth at 5-cent.us a écrit : > That's*weird* . Why would you even want "hidden" groups? Weird and... not very intelligent. To say it politely. :o) -- Microlinux - Solutions informatiques 100% Linux et logiciels libres 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info at microlinux.fr Tél. : 04 66 63 10 32