"POSIX file capabilities: Parceling the power of root (http://www.ibm.com/developerworks/library/l-posixcap.html)" - частичное делегирование полномочий суперпользователя через "capabilities".URL: http://www.ibm.com/developerworks/library/l-posixcap.html
Новость: http://www.opennet.me/opennews/art.shtml?num=13414
sudo - не?