User_Alias WEBMASTERS = user1, user2, user3 User_Alias SYSADMINS = user3, user2 User_Alias DUMBUSERS = user4 # User privilege specification root ALL=(ALL) ALL WEBMASTERS www = NOPASSWD: /usr/sbin/apachectl SYSADMINS wiz = NOPASSWD: /bin/wiz DUMBUSERS blah = NOPASSWD: /bin/blah